19590319

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 3910481

約数列:

[1, 7, 23, 161, 271, 449, 1897, 3143, 6233, 10327, 43631, 72289, 121679, 851753, 2798617, 19590319]

約数ペア:

[(1, 19590319), (7, 2798617), (23, 851753), (161, 121679), (271, 72289), (449, 43631), (1897, 10327), (3143, 6233)]