19878253585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{12889}}^1\times {\mathrm{13411}}^1$

素因数の和:26328

約数の個数: 16

約数和(自身を含む): 24894817920

約数和(自身を除く): 5016564335

約数列:

[1, 5, 23, 115, 12889, 13411, 64445, 67055, 296447, 308453, 1482235, 1542265, 172854379, 864271895, 3975650717, 19878253585]

約数ペア:

[(1, 19878253585), (5, 3975650717), (23, 864271895), (115, 172854379), (12889, 1542265), (13411, 1482235), (64445, 308453), (67055, 296447)]