18706798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 32076000

約数和(自身を除く): 13369202

約数列:

[1, 2, 11, 22, 29, 58, 109, 218, 269, 319, 538, 638, 1199, 2398, 2959, 3161, 5918, 6322, 7801, 15602, 29321, 34771, 58642, 69542, 85811, 171622, 322531, 645062, 850309, 1700618, 9353399, 18706798]

約数ペア:

[(1, 18706798), (2, 9353399), (11, 1700618), (22, 850309), (29, 645062), (58, 322531), (109, 171622), (218, 85811), (269, 69542), (319, 58642), (538, 34771), (638, 29321), (1199, 15602), (2398, 7801), (2959, 6322), (3161, 5918)]