19100377588

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{643457}}^1$

素因数の和:643683

約数の個数: 24

約数和(自身を含む): 34430150664

約数和(自身を除く): 15329773076

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 724, 7421, 14842, 29684, 643457, 1286914, 2573828, 26381737, 52763474, 105526948, 116465717, 232931434, 465862868, 4775094397, 9550188794, 19100377588]

約数ペア:

[(1, 19100377588), (2, 9550188794), (4, 4775094397), (41, 465862868), (82, 232931434), (164, 116465717), (181, 105526948), (362, 52763474), (724, 26381737), (7421, 2573828), (14842, 1286914), (29684, 643457)]