18317961

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{4493}}^1$

素因数の和:4653

約数の個数: 16

約数和(自身を含む): 27323520

約数和(自身を除く): 9005559

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 4493, 13479, 40437, 121311, 678443, 2035329, 6105987, 18317961]

約数ペア:

[(1, 18317961), (3, 6105987), (9, 2035329), (27, 678443), (151, 121311), (453, 40437), (1359, 13479), (4077, 4493)]