18306842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1999}}^1$

素因数の和:2261

約数の個数: 16

約数和(自身を含む): 29040000

約数和(自身を除く): 10733158

約数列:

[1, 2, 19, 38, 241, 482, 1999, 3998, 4579, 9158, 37981, 75962, 481759, 963518, 9153421, 18306842]

約数ペア:

[(1, 18306842), (2, 9153421), (19, 963518), (38, 481759), (241, 75962), (482, 37981), (1999, 9158), (3998, 4579)]