18738759

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10223}}^1$

素因数の和:10286

約数の個数: 16

約数和(自身を含む): 27482112

約数和(自身を除く): 8743353

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10223, 30669, 132899, 398697, 480481, 1441443, 6246253, 18738759]

約数ペア:

[(1, 18738759), (3, 6246253), (13, 1441443), (39, 480481), (47, 398697), (141, 132899), (611, 30669), (1833, 10223)]