19008027

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3847}}^1$

素因数の和:3920

約数の個数: 20

約数和(自身を含む): 28867696

約数和(自身を除く): 9859669

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3847, 4941, 11541, 34623, 103869, 234667, 311607, 704001, 2112003, 6336009, 19008027]

約数ペア:

[(1, 19008027), (3, 6336009), (9, 2112003), (27, 704001), (61, 311607), (81, 234667), (183, 103869), (549, 34623), (1647, 11541), (3847, 4941)]