18888085

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 4497515

約数列:

[1, 5, 41, 199, 205, 463, 995, 2315, 8159, 18983, 40795, 92137, 94915, 460685, 3777617, 18888085]

約数ペア:

[(1, 18888085), (5, 3777617), (41, 460685), (199, 94915), (205, 92137), (463, 40795), (995, 18983), (2315, 8159)]