18335121

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6373}}^1$

素因数の和:6520

約数の個数: 16

約数和(自身を含む): 28147584

約数和(自身を除く): 9812463

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 6373, 19119, 44611, 133833, 873101, 2619303, 6111707, 18335121]

約数ペア:

[(1, 18335121), (3, 6111707), (7, 2619303), (21, 873101), (137, 133833), (411, 44611), (959, 19119), (2877, 6373)]