17945889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6481}}^1$

素因数の和:6568

約数の個数: 16

約数和(自身を含む): 26135424

約数和(自身を除く): 8189535

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 6481, 19443, 84253, 252759, 460151, 1380453, 5981963, 17945889]

約数ペア:

[(1, 17945889), (3, 5981963), (13, 1380453), (39, 460151), (71, 252759), (213, 84253), (923, 19443), (2769, 6481)]