19243840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 168

約数和(自身を含む): 58375296

約数和(自身を除く): 39131456

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 71, 77, 80, 88, 110, 112, 121, 140, 142, 154, 160, 176, 220, 224, 242, 280, 284, 308, 320, 352, 355, 385, 440, 448, 484, 497, 560, 568, 605, 616, 704, 710, 770, 781, 847, 880, 968, 994, 1120, 1136, 1210, 1232, 1420, 1540, 1562, 1694, 1760, 1936, 1988, 2240, 2272, 2420, 2464, 2485, 2840, 3080, 3124, 3388, 3520, 3872, 3905, 3976, 4235, 4544, 4840, 4928, 4970, 5467, 5680, 6160, 6248, 6776, 7744, 7810, 7952, 8470, 8591, 9680, 9940, 10934, 11360, 12320, 12496, 13552, 15620, 15904, 16940, 17182, 19360, 19880, 21868, 22720, 24640, 24992, 27104, 27335, 31240, 31808, 33880, 34364, 38720, 39760, 42955, 43736, 49984, 54208, 54670, 60137, 62480, 67760, 68728, 79520, 85910, 87472, 109340, 120274, 124960, 135520, 137456, 159040, 171820, 174944, 218680, 240548, 249920, 271040, 274912, 300685, 343640, 349888, 437360, 481096, 549824, 601370, 687280, 874720, 962192, 1202740, 1374560, 1749440, 1924384, 2405480, 2749120, 3848768, 4810960, 9621920, 19243840]

約数ペア:

[(1, 19243840), (2, 9621920), (4, 4810960), (5, 3848768), (7, 2749120), (8, 2405480), (10, 1924384), (11, 1749440), (14, 1374560), (16, 1202740), (20, 962192), (22, 874720), (28, 687280), (32, 601370), (35, 549824), (40, 481096), (44, 437360), (55, 349888), (56, 343640), (64, 300685), (70, 274912), (71, 271040), (77, 249920), (80, 240548), (88, 218680), (110, 174944), (112, 171820), (121, 159040), (140, 137456), (142, 135520), (154, 124960), (160, 120274), (176, 109340), (220, 87472), (224, 85910), (242, 79520), (280, 68728), (284, 67760), (308, 62480), (320, 60137), (352, 54670), (355, 54208), (385, 49984), (440, 43736), (448, 42955), (484, 39760), (497, 38720), (560, 34364), (568, 33880), (605, 31808), (616, 31240), (704, 27335), (710, 27104), (770, 24992), (781, 24640), (847, 22720), (880, 21868), (968, 19880), (994, 19360), (1120, 17182), (1136, 16940), (1210, 15904), (1232, 15620), (1420, 13552), (1540, 12496), (1562, 12320), (1694, 11360), (1760, 10934), (1936, 9940), (1988, 9680), (2240, 8591), (2272, 8470), (2420, 7952), (2464, 7810), (2485, 7744), (2840, 6776), (3080, 6248), (3124, 6160), (3388, 5680), (3520, 5467), (3872, 4970), (3905, 4928), (3976, 4840), (4235, 4544)]