19312749

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1579}}^1$

素因数の和:1742

約数の個数: 20

約数和(自身を含む): 29059360

約数和(自身を除く): 9746611

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 1579, 4077, 4737, 12231, 14211, 42633, 127899, 238429, 715287, 2145861, 6437583, 19312749]

約数ペア:

[(1, 19312749), (3, 6437583), (9, 2145861), (27, 715287), (81, 238429), (151, 127899), (453, 42633), (1359, 14211), (1579, 12231), (4077, 4737)]