19722657

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 27078912

約数和(自身を除く): 7356255

約数列:

[1, 3, 47, 137, 141, 411, 1021, 3063, 6439, 19317, 47987, 139877, 143961, 419631, 6574219, 19722657]

約数ペア:

[(1, 19722657), (3, 6574219), (47, 419631), (137, 143961), (141, 139877), (411, 47987), (1021, 19317), (3063, 6439)]