18540035

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 22900320

約数和(自身を除く): 4360285

約数列:

[1, 5, 61, 89, 305, 445, 683, 3415, 5429, 27145, 41663, 60787, 208315, 303935, 3708007, 18540035]

約数ペア:

[(1, 18540035), (5, 3708007), (61, 303935), (89, 208315), (305, 60787), (445, 41663), (683, 27145), (3415, 5429)]