19992412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4021}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 38514672

約数和(自身を除く): 18522260

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4021, 4972, 8042, 16084, 44231, 88462, 176924, 454373, 908746, 1817492, 4998103, 9996206, 19992412]

約数ペア:

[(1, 19992412), (2, 9996206), (4, 4998103), (11, 1817492), (22, 908746), (44, 454373), (113, 176924), (226, 88462), (452, 44231), (1243, 16084), (2486, 8042), (4021, 4972)]