19933920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 69189120

約数和(自身を除く): 49255200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 127, 144, 160, 180, 218, 240, 254, 288, 327, 360, 381, 436, 480, 508, 545, 635, 654, 720, 762, 872, 981, 1016, 1090, 1143, 1270, 1308, 1440, 1524, 1635, 1744, 1905, 1962, 2032, 2180, 2286, 2540, 2616, 3048, 3270, 3488, 3810, 3924, 4064, 4360, 4572, 4905, 5080, 5232, 5715, 6096, 6540, 7620, 7848, 8720, 9144, 9810, 10160, 10464, 11430, 12192, 13080, 13843, 15240, 15696, 17440, 18288, 19620, 20320, 22860, 26160, 27686, 30480, 31392, 36576, 39240, 41529, 45720, 52320, 55372, 60960, 69215, 78480, 83058, 91440, 110744, 124587, 138430, 156960, 166116, 182880, 207645, 221488, 249174, 276860, 332232, 415290, 442976, 498348, 553720, 622935, 664464, 830580, 996696, 1107440, 1245870, 1328928, 1661160, 1993392, 2214880, 2491740, 3322320, 3986784, 4983480, 6644640, 9966960, 19933920]

約数ペア:

[(1, 19933920), (2, 9966960), (3, 6644640), (4, 4983480), (5, 3986784), (6, 3322320), (8, 2491740), (9, 2214880), (10, 1993392), (12, 1661160), (15, 1328928), (16, 1245870), (18, 1107440), (20, 996696), (24, 830580), (30, 664464), (32, 622935), (36, 553720), (40, 498348), (45, 442976), (48, 415290), (60, 332232), (72, 276860), (80, 249174), (90, 221488), (96, 207645), (109, 182880), (120, 166116), (127, 156960), (144, 138430), (160, 124587), (180, 110744), (218, 91440), (240, 83058), (254, 78480), (288, 69215), (327, 60960), (360, 55372), (381, 52320), (436, 45720), (480, 41529), (508, 39240), (545, 36576), (635, 31392), (654, 30480), (720, 27686), (762, 26160), (872, 22860), (981, 20320), (1016, 19620), (1090, 18288), (1143, 17440), (1270, 15696), (1308, 15240), (1440, 13843), (1524, 13080), (1635, 12192), (1744, 11430), (1905, 10464), (1962, 10160), (2032, 9810), (2180, 9144), (2286, 8720), (2540, 7848), (2616, 7620), (3048, 6540), (3270, 6096), (3488, 5715), (3810, 5232), (3924, 5080), (4064, 4905), (4360, 4572)]