18948902391

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{213079}}^1$

素因数の和:213367

約数の個数: 24

約数和(自身を含む): 28154686560

約数和(自身を除く): 9205784169

約数列:

[1, 3, 9, 41, 123, 241, 369, 723, 2169, 9881, 29643, 88929, 213079, 639237, 1917711, 8736239, 26208717, 51352039, 78626151, 154056117, 462168351, 2105433599, 6316300797, 18948902391]

約数ペア:

[(1, 18948902391), (3, 6316300797), (9, 2105433599), (41, 462168351), (123, 154056117), (241, 78626151), (369, 51352039), (723, 26208717), (2169, 8736239), (9881, 1917711), (29643, 639237), (88929, 213079)]