18904067

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{709}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 23378880

約数和(自身を除く): 4474813

約数列:

[1, 7, 13, 91, 293, 709, 2051, 3809, 4963, 9217, 26663, 64519, 207737, 1454159, 2700581, 18904067]

約数ペア:

[(1, 18904067), (7, 2700581), (13, 1454159), (91, 207737), (293, 64519), (709, 26663), (2051, 9217), (3809, 4963)]