19818000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{367}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 71185920

約数和(自身を除く): 51367920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 125, 135, 144, 150, 180, 200, 216, 225, 240, 250, 270, 300, 360, 367, 375, 400, 432, 450, 500, 540, 600, 675, 720, 734, 750, 900, 1000, 1080, 1101, 1125, 1200, 1350, 1468, 1500, 1800, 1835, 2000, 2160, 2202, 2250, 2700, 2936, 3000, 3303, 3375, 3600, 3670, 4404, 4500, 5400, 5505, 5872, 6000, 6606, 6750, 7340, 8808, 9000, 9175, 9909, 10800, 11010, 13212, 13500, 14680, 16515, 17616, 18000, 18350, 19818, 22020, 26424, 27000, 27525, 29360, 33030, 36700, 39636, 44040, 45875, 49545, 52848, 54000, 55050, 66060, 73400, 79272, 82575, 88080, 91750, 99090, 110100, 132120, 137625, 146800, 158544, 165150, 183500, 198180, 220200, 247725, 264240, 275250, 330300, 367000, 396360, 412875, 440400, 495450, 550500, 660600, 734000, 792720, 825750, 990900, 1101000, 1238625, 1321200, 1651500, 1981800, 2202000, 2477250, 3303000, 3963600, 4954500, 6606000, 9909000, 19818000]

約数ペア:

[(1, 19818000), (2, 9909000), (3, 6606000), (4, 4954500), (5, 3963600), (6, 3303000), (8, 2477250), (9, 2202000), (10, 1981800), (12, 1651500), (15, 1321200), (16, 1238625), (18, 1101000), (20, 990900), (24, 825750), (25, 792720), (27, 734000), (30, 660600), (36, 550500), (40, 495450), (45, 440400), (48, 412875), (50, 396360), (54, 367000), (60, 330300), (72, 275250), (75, 264240), (80, 247725), (90, 220200), (100, 198180), (108, 183500), (120, 165150), (125, 158544), (135, 146800), (144, 137625), (150, 132120), (180, 110100), (200, 99090), (216, 91750), (225, 88080), (240, 82575), (250, 79272), (270, 73400), (300, 66060), (360, 55050), (367, 54000), (375, 52848), (400, 49545), (432, 45875), (450, 44040), (500, 39636), (540, 36700), (600, 33030), (675, 29360), (720, 27525), (734, 27000), (750, 26424), (900, 22020), (1000, 19818), (1080, 18350), (1101, 18000), (1125, 17616), (1200, 16515), (1350, 14680), (1468, 13500), (1500, 13212), (1800, 11010), (1835, 10800), (2000, 9909), (2160, 9175), (2202, 9000), (2250, 8808), (2700, 7340), (2936, 6750), (3000, 6606), (3303, 6000), (3375, 5872), (3600, 5505), (3670, 5400), (4404, 4500)]