18123969

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2437}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 25199168

約数和(自身を除く): 7075199

約数列:

[1, 3, 37, 67, 111, 201, 2437, 2479, 7311, 7437, 90169, 163279, 270507, 489837, 6041323, 18123969]

約数ペア:

[(1, 18123969), (3, 6041323), (37, 489837), (67, 270507), (111, 163279), (201, 90169), (2437, 7437), (2479, 7311)]