19924445

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1601}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 25375680

約数和(自身を除く): 5451235

約数列:

[1, 5, 19, 95, 131, 655, 1601, 2489, 8005, 12445, 30419, 152095, 209731, 1048655, 3984889, 19924445]

約数ペア:

[(1, 19924445), (5, 3984889), (19, 1048655), (95, 209731), (131, 152095), (655, 30419), (1601, 12445), (2489, 8005)]