18543417

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 25200000

約数和(自身を除く): 6656583

約数列:

[1, 3, 89, 199, 267, 349, 597, 1047, 17711, 31061, 53133, 69451, 93183, 208353, 6181139, 18543417]

約数ペア:

[(1, 18543417), (3, 6181139), (89, 208353), (199, 93183), (267, 69451), (349, 53133), (597, 31061), (1047, 17711)]