19954726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31277}}^1$

素因数の和:31319

約数の個数: 16

約数和(自身を含む): 33780240

約数和(自身を除く): 13825514

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 31277, 62554, 344047, 688094, 907033, 1814066, 9977363, 19954726]

約数ペア:

[(1, 19954726), (2, 9977363), (11, 1814066), (22, 907033), (29, 688094), (58, 344047), (319, 62554), (638, 31277)]