18125037

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1663}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 30111744

約数和(自身を除く): 11986707

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 1663, 3633, 4989, 10899, 11641, 14967, 34923, 104769, 287699, 863097, 2013893, 2589291, 6041679, 18125037]

約数ペア:

[(1, 18125037), (3, 6041679), (7, 2589291), (9, 2013893), (21, 863097), (63, 287699), (173, 104769), (519, 34923), (1211, 14967), (1557, 11641), (1663, 10899), (3633, 4989)]