18331340

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2069}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 38601360

約数和(自身を除く): 20270020

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2069, 2215, 4138, 4430, 8276, 8860, 10345, 20690, 41380, 916567, 1833134, 3666268, 4582835, 9165670, 18331340]

約数ペア:

[(1, 18331340), (2, 9165670), (4, 4582835), (5, 3666268), (10, 1833134), (20, 916567), (443, 41380), (886, 20690), (1772, 10345), (2069, 8860), (2215, 8276), (4138, 4430)]