19420578

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{20357}}^1$

素因数の和:20418

約数の個数: 24

約数和(自身を含む): 42873948

約数和(自身を除く): 23453370

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 20357, 40714, 61071, 122142, 183213, 366426, 1078921, 2157842, 3236763, 6473526, 9710289, 19420578]

約数ペア:

[(1, 19420578), (2, 9710289), (3, 6473526), (6, 3236763), (9, 2157842), (18, 1078921), (53, 366426), (106, 183213), (159, 122142), (318, 61071), (477, 40714), (954, 20357)]