18080855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6469}}^1$

素因数の和:6530

約数の個数: 16

約数和(自身を含む): 23913120

約数和(自身を除く): 5832265

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6469, 32345, 84097, 278167, 420485, 1390835, 3616171, 18080855]

約数ペア:

[(1, 18080855), (5, 3616171), (13, 1390835), (43, 420485), (65, 278167), (215, 84097), (559, 32345), (2795, 6469)]