18137818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 30096000

約数和(自身を除く): 11958182

約数列:

[1, 2, 19, 29, 38, 58, 109, 151, 218, 302, 551, 1102, 2071, 2869, 3161, 4142, 4379, 5738, 6322, 8758, 16459, 32918, 60059, 83201, 120118, 166402, 312721, 477311, 625442, 954622, 9068909, 18137818]

約数ペア:

[(1, 18137818), (2, 9068909), (19, 954622), (29, 625442), (38, 477311), (58, 312721), (109, 166402), (151, 120118), (218, 83201), (302, 60059), (551, 32918), (1102, 16459), (2071, 8758), (2869, 6322), (3161, 5738), (4142, 4379)]