19886163

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3697}}^1$

素因数の和:3874

約数の個数: 16

約数和(自身を含む): 29110656

約数和(自身を除く): 9224493

約数列:

[1, 3, 11, 33, 163, 489, 1793, 3697, 5379, 11091, 40667, 122001, 602611, 1807833, 6628721, 19886163]

約数ペア:

[(1, 19886163), (3, 6628721), (11, 1807833), (33, 602611), (163, 122001), (489, 40667), (1793, 11091), (3697, 5379)]