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 A091818 Sum of even proper divisors of 2n. Sum of the even divisors of 2n that are less than 2n. 0
 0, 2, 2, 6, 2, 12, 2, 14, 8, 16, 2, 32, 2, 20, 18, 30, 2, 42, 2, 44, 22, 28, 2, 72, 12, 32, 26, 56, 2, 84, 2, 62, 30, 40, 26, 110, 2, 44, 34, 100, 2, 108, 2, 80, 66, 52, 2, 152, 16, 86 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS EXAMPLE The sum of even divisors of 18 that are less than 18 is 8=2+6. CROSSREFS Cf. A091570, A074400. Sequence in context: A099985 A110765 A176991 * A071223 A055934 A096217 Adjacent sequences:  A091815 A091816 A091817 * A091819 A091820 A091821 KEYWORD easy,nonn AUTHOR Mohammad K. Azarian, Mar 07 2004 STATUS approved

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