18969517

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{3833}}^1$

素因数の和:3948

約数の個数: 12

約数和(自身を含む): 22290876

約数和(自身を除く): 3321359

約数列:

[1, 7, 49, 101, 707, 3833, 4949, 26831, 187817, 387133, 2709931, 18969517]

約数ペア:

[(1, 18969517), (7, 2709931), (49, 387133), (101, 187817), (707, 26831), (3833, 4949)]