18789212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5393}}^1$

素因数の和:5477

約数の個数: 24

約数和(自身を含む): 35945616

約数和(自身を除く): 17156404

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5393, 10786, 21572, 70109, 140218, 280436, 361331, 722662, 1445324, 4697303, 9394606, 18789212]

約数ペア:

[(1, 18789212), (2, 9394606), (4, 4697303), (13, 1445324), (26, 722662), (52, 361331), (67, 280436), (134, 140218), (268, 70109), (871, 21572), (1742, 10786), (3484, 5393)]