18402164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 36

約数和(自身を含む): 35761572

約数和(自身を除く): 17359408

約数列:

[1, 2, 4, 11, 22, 44, 121, 193, 197, 242, 386, 394, 484, 772, 788, 2123, 2167, 4246, 4334, 8492, 8668, 23353, 23837, 38021, 46706, 47674, 76042, 93412, 95348, 152084, 418231, 836462, 1672924, 4600541, 9201082, 18402164]

約数ペア:

[(1, 18402164), (2, 9201082), (4, 4600541), (11, 1672924), (22, 836462), (44, 418231), (121, 152084), (193, 95348), (197, 93412), (242, 76042), (386, 47674), (394, 46706), (484, 38021), (772, 23837), (788, 23353), (2123, 8668), (2167, 8492), (4246, 4334)]