18218543

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{21871}}^1$

素因数の和:21902

約数の個数: 12

約数和(自身を含む): 22440672

約数和(自身を除く): 4222129

約数列:

[1, 7, 17, 49, 119, 833, 21871, 153097, 371807, 1071679, 2602649, 18218543]

約数ペア:

[(1, 18218543), (7, 2602649), (17, 1071679), (49, 371807), (119, 153097), (833, 21871)]