18857366

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2687}}^1$

素因数の和:2740

約数の個数: 24

約数和(自身を含む): 32175360

約数和(自身を除く): 13317994

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 2687, 3509, 5374, 7018, 29557, 59114, 77923, 155846, 325127, 650254, 857153, 1714306, 9428683, 18857366]

約数ペア:

[(1, 18857366), (2, 9428683), (11, 1714306), (22, 857153), (29, 650254), (58, 325127), (121, 155846), (242, 77923), (319, 59114), (638, 29557), (2687, 7018), (3509, 5374)]