19897578

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{20857}}^1$

素因数の和:20918

約数の個数: 24

約数和(自身を含む): 43926948

約数和(自身を除く): 24029370

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 20857, 41714, 62571, 125142, 187713, 375426, 1105421, 2210842, 3316263, 6632526, 9948789, 19897578]

約数ペア:

[(1, 19897578), (2, 9948789), (3, 6632526), (6, 3316263), (9, 2210842), (18, 1105421), (53, 375426), (106, 187713), (159, 125142), (318, 62571), (477, 41714), (954, 20857)]