18516950

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1861}}^1$

素因数の和:2072

約数の個数: 24

約数和(自身を含む): 34633200

約数和(自身を除く): 16116250

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1861, 1990, 3722, 4975, 9305, 9950, 18610, 46525, 93050, 370339, 740678, 1851695, 3703390, 9258475, 18516950]

約数ペア:

[(1, 18516950), (2, 9258475), (5, 3703390), (10, 1851695), (25, 740678), (50, 370339), (199, 93050), (398, 46525), (995, 18610), (1861, 9950), (1990, 9305), (3722, 4975)]