19812000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 70447104

約数和(自身を除く): 50635104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 125, 127, 130, 150, 156, 160, 195, 200, 208, 240, 250, 254, 260, 300, 312, 325, 375, 381, 390, 400, 416, 480, 500, 508, 520, 600, 624, 635, 650, 750, 762, 780, 800, 975, 1000, 1016, 1040, 1200, 1248, 1270, 1300, 1500, 1524, 1560, 1625, 1651, 1905, 1950, 2000, 2032, 2080, 2400, 2540, 2600, 3000, 3048, 3120, 3175, 3250, 3302, 3810, 3900, 4000, 4064, 4875, 4953, 5080, 5200, 6000, 6096, 6240, 6350, 6500, 6604, 7620, 7800, 8255, 9525, 9750, 9906, 10160, 10400, 12000, 12192, 12700, 13000, 13208, 15240, 15600, 15875, 16510, 19050, 19500, 19812, 20320, 24765, 25400, 26000, 26416, 30480, 31200, 31750, 33020, 38100, 39000, 39624, 41275, 47625, 49530, 50800, 52000, 52832, 60960, 63500, 66040, 76200, 78000, 79248, 82550, 95250, 99060, 101600, 123825, 127000, 132080, 152400, 156000, 158496, 165100, 190500, 198120, 206375, 247650, 254000, 264160, 304800, 330200, 381000, 396240, 412750, 495300, 508000, 619125, 660400, 762000, 792480, 825500, 990600, 1238250, 1320800, 1524000, 1651000, 1981200, 2476500, 3302000, 3962400, 4953000, 6604000, 9906000, 19812000]

約数ペア:

[(1, 19812000), (2, 9906000), (3, 6604000), (4, 4953000), (5, 3962400), (6, 3302000), (8, 2476500), (10, 1981200), (12, 1651000), (13, 1524000), (15, 1320800), (16, 1238250), (20, 990600), (24, 825500), (25, 792480), (26, 762000), (30, 660400), (32, 619125), (39, 508000), (40, 495300), (48, 412750), (50, 396240), (52, 381000), (60, 330200), (65, 304800), (75, 264160), (78, 254000), (80, 247650), (96, 206375), (100, 198120), (104, 190500), (120, 165100), (125, 158496), (127, 156000), (130, 152400), (150, 132080), (156, 127000), (160, 123825), (195, 101600), (200, 99060), (208, 95250), (240, 82550), (250, 79248), (254, 78000), (260, 76200), (300, 66040), (312, 63500), (325, 60960), (375, 52832), (381, 52000), (390, 50800), (400, 49530), (416, 47625), (480, 41275), (500, 39624), (508, 39000), (520, 38100), (600, 33020), (624, 31750), (635, 31200), (650, 30480), (750, 26416), (762, 26000), (780, 25400), (800, 24765), (975, 20320), (1000, 19812), (1016, 19500), (1040, 19050), (1200, 16510), (1248, 15875), (1270, 15600), (1300, 15240), (1500, 13208), (1524, 13000), (1560, 12700), (1625, 12192), (1651, 12000), (1905, 10400), (1950, 10160), (2000, 9906), (2032, 9750), (2080, 9525), (2400, 8255), (2540, 7800), (2600, 7620), (3000, 6604), (3048, 6500), (3120, 6350), (3175, 6240), (3250, 6096), (3302, 6000), (3810, 5200), (3900, 5080), (4000, 4953), (4064, 4875)]