18380215

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8609}}^1$

素因数の和:8682

約数の個数: 16

約数和(自身を含む): 25623360

約数和(自身を除く): 7243145

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 8609, 43045, 60263, 301315, 525149, 2625745, 3676043, 18380215]

約数ペア:

[(1, 18380215), (5, 3676043), (7, 2625745), (35, 525149), (61, 301315), (305, 60263), (427, 43045), (2135, 8609)]