18281135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 23232000

約数和(自身を除く): 4950865

約数列:

[1, 5, 19, 95, 199, 967, 995, 3781, 4835, 18373, 18905, 91865, 192433, 962165, 3656227, 18281135]

約数ペア:

[(1, 18281135), (5, 3656227), (19, 962165), (95, 192433), (199, 91865), (967, 18905), (995, 18373), (3781, 4835)]