18156407

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 19837440

約数和(自身を除く): 1681033

約数列:

[1, 23, 29, 163, 167, 667, 3749, 3841, 4727, 4843, 27221, 108721, 111389, 626083, 789409, 18156407]

約数ペア:

[(1, 18156407), (23, 789409), (29, 626083), (163, 111389), (167, 108721), (667, 27221), (3749, 4843), (3841, 4727)]