19178984

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19813}}^1$

素因数の和:19841

約数の個数: 24

約数和(自身を含む): 39528930

約数和(自身を除く): 20349946

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 19813, 39626, 79252, 158504, 217943, 435886, 871772, 1743544, 2397373, 4794746, 9589492, 19178984]

約数ペア:

[(1, 19178984), (2, 9589492), (4, 4794746), (8, 2397373), (11, 1743544), (22, 871772), (44, 435886), (88, 217943), (121, 158504), (242, 79252), (484, 39626), (968, 19813)]