18830968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10651}}^1$

素因数の和:10687

約数の個数: 32

約数和(自身を含む): 40264560

約数和(自身を除く): 21433592

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10651, 21302, 42604, 85208, 138463, 181067, 276926, 362134, 553852, 724268, 1107704, 1448536, 2353871, 4707742, 9415484, 18830968]

約数ペア:

[(1, 18830968), (2, 9415484), (4, 4707742), (8, 2353871), (13, 1448536), (17, 1107704), (26, 724268), (34, 553852), (52, 362134), (68, 276926), (104, 181067), (136, 138463), (221, 85208), (442, 42604), (884, 21302), (1768, 10651)]