18620251

素因数分解:

${\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:726

約数の個数: 12

約数和(自身を含む): 20291040

約数和(自身を除く): 1670789

約数列:

[1, 13, 169, 239, 461, 3107, 5993, 40391, 77909, 110179, 1432327, 18620251]

約数ペア:

[(1, 18620251), (13, 1432327), (169, 110179), (239, 77909), (461, 40391), (3107, 5993)]