18216391

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 19742976

約数和(自身を除く): 1526585

約数列:

[1, 23, 43, 113, 163, 989, 2599, 3749, 4859, 7009, 18419, 111757, 161207, 423637, 792017, 18216391]

約数ペア:

[(1, 18216391), (23, 792017), (43, 423637), (113, 161207), (163, 111757), (989, 18419), (2599, 7009), (3749, 4859)]