18630471

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1982

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 7109817

約数列:

[1, 3, 47, 71, 141, 213, 1861, 3337, 5583, 10011, 87467, 132131, 262401, 396393, 6210157, 18630471]

約数ペア:

[(1, 18630471), (3, 6210157), (47, 396393), (71, 262401), (141, 132131), (213, 87467), (1861, 10011), (3337, 5583)]