18121019

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 21596160

約数和(自身を除く): 3475141

約数列:

[1, 7, 31, 113, 217, 739, 791, 3503, 5173, 22909, 24521, 83507, 160363, 584549, 2588717, 18121019]

約数ペア:

[(1, 18121019), (7, 2588717), (31, 584549), (113, 160363), (217, 83507), (739, 24521), (791, 22909), (3503, 5173)]