18927855

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10259}}^1$

素因数の和:10311

約数の個数: 24

約数和(自身を含む): 33611760

約数和(自身を除く): 14683905

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 10259, 30777, 51295, 92331, 153885, 420619, 461655, 1261857, 2103095, 3785571, 6309285, 18927855]

約数ペア:

[(1, 18927855), (3, 6309285), (5, 3785571), (9, 2103095), (15, 1261857), (41, 461655), (45, 420619), (123, 153885), (205, 92331), (369, 51295), (615, 30777), (1845, 10259)]