18765103

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 22720000

約数和(自身を除く): 3954897

約数列:

[1, 7, 19, 133, 199, 709, 1393, 3781, 4963, 13471, 26467, 94297, 141091, 987637, 2680729, 18765103]

約数ペア:

[(1, 18765103), (7, 2680729), (19, 987637), (133, 141091), (199, 94297), (709, 26467), (1393, 13471), (3781, 4963)]