18797721

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 26069568

約数和(自身を除く): 7271847

約数列:

[1, 3, 41, 67, 123, 201, 2281, 2747, 6843, 8241, 93521, 152827, 280563, 458481, 6265907, 18797721]

約数ペア:

[(1, 18797721), (3, 6265907), (41, 458481), (67, 280563), (123, 152827), (201, 93521), (2281, 8241), (2747, 6843)]