18719845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1951}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 23892480

約数和(自身を除く): 5172635

約数列:

[1, 5, 19, 95, 101, 505, 1919, 1951, 9595, 9755, 37069, 185345, 197051, 985255, 3743969, 18719845]

約数ペア:

[(1, 18719845), (5, 3743969), (19, 985255), (95, 197051), (101, 185345), (505, 37069), (1919, 9755), (1951, 9595)]