18844180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20047}}^1$

素因数の和:20103

約数の個数: 24

約数和(自身を含む): 40416768

約数和(自身を除く): 21572588

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20047, 40094, 80188, 100235, 200470, 400940, 942209, 1884418, 3768836, 4711045, 9422090, 18844180]

約数ペア:

[(1, 18844180), (2, 9422090), (4, 4711045), (5, 3768836), (10, 1884418), (20, 942209), (47, 400940), (94, 200470), (188, 100235), (235, 80188), (470, 40094), (940, 20047)]