19500125

素因数分解:

$5^3\times {\mathrm{73}}^1\times {\mathrm{2137}}^1$

素因数の和:2225

約数の個数: 16

約数和(自身を含む): 24681072

約数和(自身を除く): 5180947

約数列:

[1, 5, 25, 73, 125, 365, 1825, 2137, 9125, 10685, 53425, 156001, 267125, 780005, 3900025, 19500125]

約数ペア:

[(1, 19500125), (5, 3900025), (25, 780005), (73, 267125), (125, 156001), (365, 53425), (1825, 10685), (2137, 9125)]