19691378357

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{3121}}^1\times {\mathrm{12347}}^1$

素因数の和:15548

約数の個数: 16

約数和(自身を含む): 22821869952

約数和(自身を除く): 3130491595

約数列:

[1, 7, 73, 511, 3121, 12347, 21847, 86429, 227833, 901331, 1594831, 6309317, 38534987, 269744909, 2813054051, 19691378357]

約数ペア:

[(1, 19691378357), (7, 2813054051), (73, 269744909), (511, 38534987), (3121, 6309317), (12347, 1594831), (21847, 901331), (86429, 227833)]