18806495

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4478305

約数列:

[1, 5, 41, 199, 205, 461, 995, 2305, 8159, 18901, 40795, 91739, 94505, 458695, 3761299, 18806495]

約数ペア:

[(1, 18806495), (5, 3761299), (41, 458695), (199, 94505), (205, 91739), (461, 40795), (995, 18901), (2305, 8159)]