18023665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7621}}^1$

素因数の和:7680

約数の個数: 16

約数和(自身を含む): 24146496

約数和(自身を除く): 6122831

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 7621, 38105, 83831, 327703, 419155, 1638515, 3604733, 18023665]

約数ペア:

[(1, 18023665), (5, 3604733), (11, 1638515), (43, 419155), (55, 327703), (215, 83831), (473, 38105), (2365, 7621)]