18152869

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 21611520

約数和(自身を除く): 3458651

約数列:

[1, 7, 29, 203, 223, 401, 1561, 2807, 6467, 11629, 45269, 81403, 89423, 625961, 2593267, 18152869]

約数ペア:

[(1, 18152869), (7, 2593267), (29, 625961), (203, 89423), (223, 81403), (401, 45269), (1561, 11629), (2807, 6467)]