18714157072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89971909}}^1$

素因数の和:89971930

約数の個数: 20

約数和(自身を含む): 39047808940

約数和(自身を除く): 20333651868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89971909, 179943818, 359887636, 719775272, 1169634817, 1439550544, 2339269634, 4678539268, 9357078536, 18714157072]

約数ペア:

[(1, 18714157072), (2, 9357078536), (4, 4678539268), (8, 2339269634), (13, 1439550544), (16, 1169634817), (26, 719775272), (52, 359887636), (104, 179943818), (208, 89971909)]