18447121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2239}}^1$

素因数の和:2364

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 4777199

約数列:

[1, 7, 11, 77, 107, 749, 1177, 2239, 8239, 15673, 24629, 172403, 239573, 1677011, 2635303, 18447121]

約数ペア:

[(1, 18447121), (7, 2635303), (11, 1677011), (77, 239573), (107, 172403), (749, 24629), (1177, 15673), (2239, 8239)]