19860879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2579}}^1$

素因数の和:2750

約数の個数: 16

約数和(自身を含む): 28235520

約数和(自身を除く): 8374641

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2579, 7701, 7737, 43843, 131529, 389429, 1168287, 6620293, 19860879]

約数ペア:

[(1, 19860879), (3, 6620293), (17, 1168287), (51, 389429), (151, 131529), (453, 43843), (2567, 7737), (2579, 7701)]