13205665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12637}}^1$

素因数の和:12672

約数の個数: 16

約数和(自身を含む): 18198720

約数和(自身を除く): 4993055

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 12637, 63185, 139007, 240103, 695035, 1200515, 2641133, 13205665]

約数ペア:

[(1, 13205665), (5, 2641133), (11, 1200515), (19, 695035), (55, 240103), (95, 139007), (209, 63185), (1045, 12637)]