18740853

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 27925560

約数和(自身を除く): 9184707

約数列:

[1, 3, 9, 53, 101, 159, 303, 389, 477, 909, 1167, 3501, 5353, 16059, 20617, 39289, 48177, 61851, 117867, 185553, 353601, 2082317, 6246951, 18740853]

約数ペア:

[(1, 18740853), (3, 6246951), (9, 2082317), (53, 353601), (101, 185553), (159, 117867), (303, 61851), (389, 48177), (477, 39289), (909, 20617), (1167, 16059), (3501, 5353)]