18658221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2393}}^1$

素因数の和:2532

約数の個数: 16

約数和(自身を含む): 26199936

約数和(自身を除く): 7541715

約数列:

[1, 3, 23, 69, 113, 339, 2393, 2599, 7179, 7797, 55039, 165117, 270409, 811227, 6219407, 18658221]

約数ペア:

[(1, 18658221), (3, 6219407), (23, 811227), (69, 270409), (113, 165117), (339, 55039), (2393, 7797), (2599, 7179)]