18602620

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1021}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 39146688

約数和(自身を除く): 20544068

約数列:

[1, 2, 4, 5, 10, 20, 911, 1021, 1822, 2042, 3644, 4084, 4555, 5105, 9110, 10210, 18220, 20420, 930131, 1860262, 3720524, 4650655, 9301310, 18602620]

約数ペア:

[(1, 18602620), (2, 9301310), (4, 4650655), (5, 3720524), (10, 1860262), (20, 930131), (911, 20420), (1021, 18220), (1822, 10210), (2042, 9110), (3644, 5105), (4084, 4555)]