18458924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{947}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 35356608

約数和(自身を除く): 16897684

約数列:

[1, 2, 4, 11, 22, 44, 443, 886, 947, 1772, 1894, 3788, 4873, 9746, 10417, 19492, 20834, 41668, 419521, 839042, 1678084, 4614731, 9229462, 18458924]

約数ペア:

[(1, 18458924), (2, 9229462), (4, 4614731), (11, 1678084), (22, 839042), (44, 419521), (443, 41668), (886, 20834), (947, 19492), (1772, 10417), (1894, 9746), (3788, 4873)]