19805706

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 25167222

約数列:

[1, 2, 3, 6, 9, 18, 41, 47, 82, 94, 123, 141, 246, 282, 369, 423, 571, 738, 846, 1142, 1713, 1927, 3426, 3854, 5139, 5781, 10278, 11562, 17343, 23411, 26837, 34686, 46822, 53674, 70233, 80511, 140466, 161022, 210699, 241533, 421398, 483066, 1100317, 2200634, 3300951, 6601902, 9902853, 19805706]

約数ペア:

[(1, 19805706), (2, 9902853), (3, 6601902), (6, 3300951), (9, 2200634), (18, 1100317), (41, 483066), (47, 421398), (82, 241533), (94, 210699), (123, 161022), (141, 140466), (246, 80511), (282, 70233), (369, 53674), (423, 46822), (571, 34686), (738, 26837), (846, 23411), (1142, 17343), (1713, 11562), (1927, 10278), (3426, 5781), (3854, 5139)]