18854495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{11821}}^1$

素因数の和:11866

約数の個数: 16

約数和(自身を含む): 25535520

約数和(自身を除く): 6681025

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 11821, 59105, 130031, 342809, 650155, 1714045, 3770899, 18854495]

約数ペア:

[(1, 18854495), (5, 3770899), (11, 1714045), (29, 650155), (55, 342809), (145, 130031), (319, 59105), (1595, 11821)]