18011845

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 22068288

約数和(自身を除く): 4056443

約数列:

[1, 5, 107, 131, 257, 535, 655, 1285, 14017, 27499, 33667, 70085, 137495, 168335, 3602369, 18011845]

約数ペア:

[(1, 18011845), (5, 3602369), (107, 168335), (131, 137495), (257, 70085), (535, 33667), (655, 27499), (1285, 14017)]