19158889491

素因数分解:

$3^2\times 7^1\times {\mathrm{2417}}^1\times {\mathrm{125821}}^1$

素因数の和:128251

約数の個数: 24

約数和(自身を含む): 31640709984

約数和(自身を除く): 12481820493

約数列:

[1, 3, 7, 9, 21, 63, 2417, 7251, 16919, 21753, 50757, 125821, 152271, 377463, 880747, 1132389, 2642241, 7926723, 304109357, 912328071, 2128765499, 2736984213, 6386296497, 19158889491]

約数ペア:

[(1, 19158889491), (3, 6386296497), (7, 2736984213), (9, 2128765499), (21, 912328071), (63, 304109357), (2417, 7926723), (7251, 2642241), (16919, 1132389), (21753, 880747), (50757, 377463), (125821, 152271)]