18181111

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 20186208

約数和(自身を除く): 2005097

約数列:

[1, 13, 61, 101, 227, 793, 1313, 2951, 6161, 13847, 22927, 80093, 180011, 298051, 1398547, 18181111]

約数ペア:

[(1, 18181111), (13, 1398547), (61, 298051), (101, 180011), (227, 80093), (793, 22927), (1313, 13847), (2951, 6161)]