19889390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104681}}^1$

素因数の和:104707

約数の個数: 16

約数和(自身を含む): 37685520

約数和(自身を除く): 17796130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 104681, 209362, 523405, 1046810, 1988939, 3977878, 9944695, 19889390]

約数ペア:

[(1, 19889390), (2, 9944695), (5, 3977878), (10, 1988939), (19, 1046810), (38, 523405), (95, 209362), (190, 104681)]