19543237

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 23288832

約数和(自身を除く): 3745595

約数列:

[1, 7, 31, 113, 217, 791, 797, 3503, 5579, 24521, 24707, 90061, 172949, 630427, 2791891, 19543237]

約数ペア:

[(1, 19543237), (7, 2791891), (31, 630427), (113, 172949), (217, 90061), (791, 24707), (797, 24521), (3503, 5579)]