19418400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 288

約数和(自身を含む): 74995200

約数和(自身を除く): 55576800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 29, 30, 31, 32, 36, 40, 45, 48, 50, 54, 58, 60, 62, 72, 75, 80, 87, 90, 93, 96, 100, 108, 116, 120, 124, 135, 144, 145, 150, 155, 160, 174, 180, 186, 200, 216, 225, 232, 240, 248, 261, 270, 279, 288, 290, 300, 310, 348, 360, 372, 400, 432, 435, 450, 464, 465, 480, 496, 522, 540, 558, 580, 600, 620, 675, 696, 720, 725, 744, 775, 783, 800, 837, 864, 870, 899, 900, 928, 930, 992, 1044, 1080, 1116, 1160, 1200, 1240, 1305, 1350, 1392, 1395, 1440, 1450, 1488, 1550, 1566, 1674, 1740, 1798, 1800, 1860, 2088, 2160, 2175, 2232, 2320, 2325, 2400, 2480, 2610, 2697, 2700, 2784, 2790, 2900, 2976, 3100, 3132, 3348, 3480, 3596, 3600, 3720, 3915, 4176, 4185, 4320, 4350, 4464, 4495, 4640, 4650, 4960, 5220, 5394, 5400, 5580, 5800, 6200, 6264, 6525, 6696, 6960, 6975, 7192, 7200, 7440, 7830, 8091, 8352, 8370, 8700, 8928, 8990, 9300, 10440, 10788, 10800, 11160, 11600, 12400, 12528, 13050, 13392, 13485, 13920, 13950, 14384, 14880, 15660, 16182, 16740, 17400, 17980, 18600, 19575, 20880, 20925, 21576, 21600, 22320, 22475, 23200, 24273, 24800, 25056, 26100, 26784, 26970, 27900, 28768, 31320, 32364, 33480, 34800, 35960, 37200, 39150, 40455, 41760, 41850, 43152, 44640, 44950, 48546, 52200, 53940, 55800, 62640, 64728, 66960, 67425, 69600, 71920, 74400, 78300, 80910, 83700, 86304, 89900, 97092, 104400, 107880, 111600, 121365, 125280, 129456, 133920, 134850, 143840, 156600, 161820, 167400, 179800, 194184, 202275, 208800, 215760, 223200, 242730, 258912, 269700, 313200, 323640, 334800, 359600, 388368, 404550, 431520, 485460, 539400, 606825, 626400, 647280, 669600, 719200, 776736, 809100, 970920, 1078800, 1213650, 1294560, 1618200, 1941840, 2157600, 2427300, 3236400, 3883680, 4854600, 6472800, 9709200, 19418400]

約数ペア:

[(1, 19418400), (2, 9709200), (3, 6472800), (4, 4854600), (5, 3883680), (6, 3236400), (8, 2427300), (9, 2157600), (10, 1941840), (12, 1618200), (15, 1294560), (16, 1213650), (18, 1078800), (20, 970920), (24, 809100), (25, 776736), (27, 719200), (29, 669600), (30, 647280), (31, 626400), (32, 606825), (36, 539400), (40, 485460), (45, 431520), (48, 404550), (50, 388368), (54, 359600), (58, 334800), (60, 323640), (62, 313200), (72, 269700), (75, 258912), (80, 242730), (87, 223200), (90, 215760), (93, 208800), (96, 202275), (100, 194184), (108, 179800), (116, 167400), (120, 161820), (124, 156600), (135, 143840), (144, 134850), (145, 133920), (150, 129456), (155, 125280), (160, 121365), (174, 111600), (180, 107880), (186, 104400), (200, 97092), (216, 89900), (225, 86304), (232, 83700), (240, 80910), (248, 78300), (261, 74400), (270, 71920), (279, 69600), (288, 67425), (290, 66960), (300, 64728), (310, 62640), (348, 55800), (360, 53940), (372, 52200), (400, 48546), (432, 44950), (435, 44640), (450, 43152), (464, 41850), (465, 41760), (480, 40455), (496, 39150), (522, 37200), (540, 35960), (558, 34800), (580, 33480), (600, 32364), (620, 31320), (675, 28768), (696, 27900), (720, 26970), (725, 26784), (744, 26100), (775, 25056), (783, 24800), (800, 24273), (837, 23200), (864, 22475), (870, 22320), (899, 21600), (900, 21576), (928, 20925), (930, 20880), (992, 19575), (1044, 18600), (1080, 17980), (1116, 17400), (1160, 16740), (1200, 16182), (1240, 15660), (1305, 14880), (1350, 14384), (1392, 13950), (1395, 13920), (1440, 13485), (1450, 13392), (1488, 13050), (1550, 12528), (1566, 12400), (1674, 11600), (1740, 11160), (1798, 10800), (1800, 10788), (1860, 10440), (2088, 9300), (2160, 8990), (2175, 8928), (2232, 8700), (2320, 8370), (2325, 8352), (2400, 8091), (2480, 7830), (2610, 7440), (2697, 7200), (2700, 7192), (2784, 6975), (2790, 6960), (2900, 6696), (2976, 6525), (3100, 6264), (3132, 6200), (3348, 5800), (3480, 5580), (3596, 5400), (3600, 5394), (3720, 5220), (3915, 4960), (4176, 4650), (4185, 4640), (4320, 4495), (4350, 4464)]