19888200

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 71424000

約数和(自身を除く): 51535800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 29, 30, 36, 40, 45, 50, 54, 58, 60, 72, 75, 87, 90, 100, 108, 116, 120, 127, 135, 145, 150, 174, 180, 200, 216, 225, 232, 254, 261, 270, 290, 300, 348, 360, 381, 435, 450, 508, 522, 540, 580, 600, 635, 675, 696, 725, 762, 783, 870, 900, 1016, 1044, 1080, 1143, 1160, 1270, 1305, 1350, 1450, 1524, 1566, 1740, 1800, 1905, 2088, 2175, 2286, 2540, 2610, 2700, 2900, 3048, 3132, 3175, 3429, 3480, 3683, 3810, 3915, 4350, 4572, 5080, 5220, 5400, 5715, 5800, 6264, 6350, 6525, 6858, 7366, 7620, 7830, 8700, 9144, 9525, 10440, 11049, 11430, 12700, 13050, 13716, 14732, 15240, 15660, 17145, 17400, 18415, 19050, 19575, 22098, 22860, 25400, 26100, 27432, 28575, 29464, 31320, 33147, 34290, 36830, 38100, 39150, 44196, 45720, 52200, 55245, 57150, 66294, 68580, 73660, 76200, 78300, 85725, 88392, 92075, 99441, 110490, 114300, 132588, 137160, 147320, 156600, 165735, 171450, 184150, 198882, 220980, 228600, 265176, 276225, 331470, 342900, 368300, 397764, 441960, 497205, 552450, 662940, 685800, 736600, 795528, 828675, 994410, 1104900, 1325880, 1657350, 1988820, 2209800, 2486025, 3314700, 3977640, 4972050, 6629400, 9944100, 19888200]

約数ペア:

[(1, 19888200), (2, 9944100), (3, 6629400), (4, 4972050), (5, 3977640), (6, 3314700), (8, 2486025), (9, 2209800), (10, 1988820), (12, 1657350), (15, 1325880), (18, 1104900), (20, 994410), (24, 828675), (25, 795528), (27, 736600), (29, 685800), (30, 662940), (36, 552450), (40, 497205), (45, 441960), (50, 397764), (54, 368300), (58, 342900), (60, 331470), (72, 276225), (75, 265176), (87, 228600), (90, 220980), (100, 198882), (108, 184150), (116, 171450), (120, 165735), (127, 156600), (135, 147320), (145, 137160), (150, 132588), (174, 114300), (180, 110490), (200, 99441), (216, 92075), (225, 88392), (232, 85725), (254, 78300), (261, 76200), (270, 73660), (290, 68580), (300, 66294), (348, 57150), (360, 55245), (381, 52200), (435, 45720), (450, 44196), (508, 39150), (522, 38100), (540, 36830), (580, 34290), (600, 33147), (635, 31320), (675, 29464), (696, 28575), (725, 27432), (762, 26100), (783, 25400), (870, 22860), (900, 22098), (1016, 19575), (1044, 19050), (1080, 18415), (1143, 17400), (1160, 17145), (1270, 15660), (1305, 15240), (1350, 14732), (1450, 13716), (1524, 13050), (1566, 12700), (1740, 11430), (1800, 11049), (1905, 10440), (2088, 9525), (2175, 9144), (2286, 8700), (2540, 7830), (2610, 7620), (2700, 7366), (2900, 6858), (3048, 6525), (3132, 6350), (3175, 6264), (3429, 5800), (3480, 5715), (3683, 5400), (3810, 5220), (3915, 5080), (4350, 4572)]