18813016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3283

約数の個数: 32

約数和(自身を含む): 38229840

約数和(自身を除く): 19416824

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3217, 5848, 6434, 12868, 25736, 54689, 109378, 138331, 218756, 276662, 437512, 553324, 1106648, 2351627, 4703254, 9406508, 18813016]

約数ペア:

[(1, 18813016), (2, 9406508), (4, 4703254), (8, 2351627), (17, 1106648), (34, 553324), (43, 437512), (68, 276662), (86, 218756), (136, 138331), (172, 109378), (344, 54689), (731, 25736), (1462, 12868), (2924, 6434), (3217, 5848)]