18778718

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 34767360

約数和(自身を除く): 15988642

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 2011, 4022, 4669, 9338, 14077, 28154, 46253, 58319, 92506, 116638, 323771, 408233, 647542, 816466, 1341337, 2682674, 9389359, 18778718]

約数ペア:

[(1, 18778718), (2, 9389359), (7, 2682674), (14, 1341337), (23, 816466), (29, 647542), (46, 408233), (58, 323771), (161, 116638), (203, 92506), (322, 58319), (406, 46253), (667, 28154), (1334, 14077), (2011, 9338), (4022, 4669)]