18950750

素因数分解:

$2^1\times 5^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:68

約数の個数: 128

約数和(自身を含む): 47174400

約数和(自身を除く): 28223650

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 25, 26, 34, 35, 49, 50, 65, 70, 85, 91, 98, 119, 125, 130, 170, 175, 182, 221, 238, 245, 250, 325, 343, 350, 425, 442, 455, 490, 595, 637, 650, 686, 833, 850, 875, 910, 1105, 1190, 1225, 1274, 1547, 1625, 1666, 1715, 1750, 2125, 2210, 2275, 2450, 2975, 3094, 3185, 3250, 3430, 4165, 4250, 4459, 4550, 5525, 5831, 5950, 6125, 6370, 7735, 8330, 8575, 8918, 10829, 11050, 11375, 11662, 12250, 14875, 15470, 15925, 17150, 20825, 21658, 22295, 22750, 27625, 29155, 29750, 31850, 38675, 41650, 42875, 44590, 54145, 55250, 58310, 75803, 77350, 79625, 85750, 104125, 108290, 111475, 145775, 151606, 159250, 193375, 208250, 222950, 270725, 291550, 379015, 386750, 541450, 557375, 728875, 758030, 1114750, 1353625, 1457750, 1895075, 2707250, 3790150, 9475375, 18950750]

約数ペア:

[(1, 18950750), (2, 9475375), (5, 3790150), (7, 2707250), (10, 1895075), (13, 1457750), (14, 1353625), (17, 1114750), (25, 758030), (26, 728875), (34, 557375), (35, 541450), (49, 386750), (50, 379015), (65, 291550), (70, 270725), (85, 222950), (91, 208250), (98, 193375), (119, 159250), (125, 151606), (130, 145775), (170, 111475), (175, 108290), (182, 104125), (221, 85750), (238, 79625), (245, 77350), (250, 75803), (325, 58310), (343, 55250), (350, 54145), (425, 44590), (442, 42875), (455, 41650), (490, 38675), (595, 31850), (637, 29750), (650, 29155), (686, 27625), (833, 22750), (850, 22295), (875, 21658), (910, 20825), (1105, 17150), (1190, 15925), (1225, 15470), (1274, 14875), (1547, 12250), (1625, 11662), (1666, 11375), (1715, 11050), (1750, 10829), (2125, 8918), (2210, 8575), (2275, 8330), (2450, 7735), (2975, 6370), (3094, 6125), (3185, 5950), (3250, 5831), (3430, 5525), (4165, 4550), (4250, 4459)]