19705212

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17657}}^1$

素因数の和:17698

約数の個数: 36

約数和(自身を含む): 51420096

約数和(自身を除く): 31714884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17657, 35314, 52971, 70628, 105942, 158913, 211884, 317826, 547367, 635652, 1094734, 1642101, 2189468, 3284202, 4926303, 6568404, 9852606, 19705212]

約数ペア:

[(1, 19705212), (2, 9852606), (3, 6568404), (4, 4926303), (6, 3284202), (9, 2189468), (12, 1642101), (18, 1094734), (31, 635652), (36, 547367), (62, 317826), (93, 211884), (124, 158913), (186, 105942), (279, 70628), (372, 52971), (558, 35314), (1116, 17657)]