18637894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13295546

約数列:

[1, 2, 11, 22, 29, 58, 131, 223, 262, 319, 446, 638, 1441, 2453, 2882, 3799, 4906, 6467, 7598, 12934, 29213, 41789, 58426, 71137, 83578, 142274, 321343, 642686, 847177, 1694354, 9318947, 18637894]

約数ペア:

[(1, 18637894), (2, 9318947), (11, 1694354), (22, 847177), (29, 642686), (58, 321343), (131, 142274), (223, 83578), (262, 71137), (319, 58426), (446, 41789), (638, 29213), (1441, 12934), (2453, 7598), (2882, 6467), (3799, 4906)]