18647810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 36381312

約数和(自身を除く): 17733502

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2551, 3655, 5102, 7310, 12755, 25510, 43367, 86734, 109693, 216835, 219386, 433670, 548465, 1096930, 1864781, 3729562, 9323905, 18647810]

約数ペア:

[(1, 18647810), (2, 9323905), (5, 3729562), (10, 1864781), (17, 1096930), (34, 548465), (43, 433670), (85, 219386), (86, 216835), (170, 109693), (215, 86734), (430, 43367), (731, 25510), (1462, 12755), (2551, 7310), (3655, 5102)]