19136080

素因数分解:

$2^4\times 5^1\times {\mathrm{239201}}^1$

素因数の和:239214

約数の個数: 20

約数和(自身を含む): 44491572

約数和(自身を除く): 25355492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239201, 478402, 956804, 1196005, 1913608, 2392010, 3827216, 4784020, 9568040, 19136080]

約数ペア:

[(1, 19136080), (2, 9568040), (4, 4784020), (5, 3827216), (8, 2392010), (10, 1913608), (16, 1196005), (20, 956804), (40, 478402), (80, 239201)]