19529884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40351}}^1$

素因数の和:40377

約数の個数: 18

約数和(自身を含む): 37567712

約数和(自身を除く): 18037828

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40351, 80702, 161404, 443861, 887722, 1775444, 4882471, 9764942, 19529884]

約数ペア:

[(1, 19529884), (2, 9764942), (4, 4882471), (11, 1775444), (22, 887722), (44, 443861), (121, 161404), (242, 80702), (484, 40351)]