18192671

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{19541}}^1$

素因数の和:19574

約数の個数: 12

約数和(自身を含む): 22277880

約数和(自身を除く): 4085209

約数列:

[1, 7, 19, 49, 133, 931, 19541, 136787, 371279, 957509, 2598953, 18192671]

約数ペア:

[(1, 18192671), (7, 2598953), (19, 957509), (49, 371279), (133, 136787), (931, 19541)]