18722924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{425521}}^1$

素因数の和:425536

約数の個数: 12

約数和(自身を含む): 35743848

約数和(自身を除く): 17020924

約数列:

[1, 2, 4, 11, 22, 44, 425521, 851042, 1702084, 4680731, 9361462, 18722924]

約数ペア:

[(1, 18722924), (2, 9361462), (4, 4680731), (11, 1702084), (22, 851042), (44, 425521)]