19919108738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1\times {\mathrm{505279}}^1$

素因数の和:506161

約数の個数: 16

約数和(自身を含む): 31214177280

約数和(自身を除く): 11295068542

約数列:

[1, 2, 23, 46, 857, 1714, 19711, 39422, 505279, 1010558, 11621417, 23242834, 433024103, 866048206, 9959554369, 19919108738]

約数ペア:

[(1, 19919108738), (2, 9959554369), (23, 866048206), (46, 433024103), (857, 23242834), (1714, 11621417), (19711, 1010558), (39422, 505279)]