18729549

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7459}}^1$

素因数の和:7502

約数の個数: 20

約数和(自身を含む): 28885120

約数和(自身を除く): 10155571

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7459, 22377, 67131, 201393, 231229, 604179, 693687, 2081061, 6243183, 18729549]

約数ペア:

[(1, 18729549), (3, 6243183), (9, 2081061), (27, 693687), (31, 604179), (81, 231229), (93, 201393), (279, 67131), (837, 22377), (2511, 7459)]