19204080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 240

約数和(自身を含む): 73281024

約数和(自身を除く): 54076944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 71, 80, 84, 92, 98, 105, 112, 115, 120, 138, 140, 142, 147, 161, 168, 184, 196, 210, 213, 230, 240, 245, 276, 280, 284, 294, 322, 336, 345, 355, 368, 392, 420, 426, 460, 483, 490, 497, 552, 560, 568, 588, 644, 690, 710, 735, 784, 805, 840, 852, 920, 966, 980, 994, 1065, 1104, 1127, 1136, 1176, 1288, 1380, 1420, 1470, 1491, 1610, 1633, 1680, 1704, 1840, 1932, 1960, 1988, 2130, 2254, 2352, 2415, 2485, 2576, 2760, 2840, 2940, 2982, 3220, 3266, 3381, 3408, 3479, 3864, 3920, 3976, 4260, 4508, 4830, 4899, 4970, 5520, 5635, 5680, 5880, 5964, 6440, 6532, 6762, 6958, 7455, 7728, 7952, 8165, 8520, 9016, 9660, 9798, 9940, 10437, 11270, 11431, 11760, 11928, 12880, 13064, 13524, 13916, 14910, 16330, 16905, 17040, 17395, 18032, 19320, 19596, 19880, 20874, 22540, 22862, 23856, 24495, 26128, 27048, 27832, 29820, 32660, 33810, 34293, 34790, 38640, 39192, 39760, 41748, 45080, 45724, 48990, 52185, 54096, 55664, 57155, 59640, 65320, 67620, 68586, 69580, 78384, 80017, 83496, 90160, 91448, 97980, 104370, 114310, 119280, 130640, 135240, 137172, 139160, 160034, 166992, 171465, 182896, 195960, 208740, 228620, 240051, 270480, 274344, 278320, 320068, 342930, 391920, 400085, 417480, 457240, 480102, 548688, 640136, 685860, 800170, 834960, 914480, 960204, 1200255, 1280272, 1371720, 1600340, 1920408, 2400510, 2743440, 3200680, 3840816, 4801020, 6401360, 9602040, 19204080]

約数ペア:

[(1, 19204080), (2, 9602040), (3, 6401360), (4, 4801020), (5, 3840816), (6, 3200680), (7, 2743440), (8, 2400510), (10, 1920408), (12, 1600340), (14, 1371720), (15, 1280272), (16, 1200255), (20, 960204), (21, 914480), (23, 834960), (24, 800170), (28, 685860), (30, 640136), (35, 548688), (40, 480102), (42, 457240), (46, 417480), (48, 400085), (49, 391920), (56, 342930), (60, 320068), (69, 278320), (70, 274344), (71, 270480), (80, 240051), (84, 228620), (92, 208740), (98, 195960), (105, 182896), (112, 171465), (115, 166992), (120, 160034), (138, 139160), (140, 137172), (142, 135240), (147, 130640), (161, 119280), (168, 114310), (184, 104370), (196, 97980), (210, 91448), (213, 90160), (230, 83496), (240, 80017), (245, 78384), (276, 69580), (280, 68586), (284, 67620), (294, 65320), (322, 59640), (336, 57155), (345, 55664), (355, 54096), (368, 52185), (392, 48990), (420, 45724), (426, 45080), (460, 41748), (483, 39760), (490, 39192), (497, 38640), (552, 34790), (560, 34293), (568, 33810), (588, 32660), (644, 29820), (690, 27832), (710, 27048), (735, 26128), (784, 24495), (805, 23856), (840, 22862), (852, 22540), (920, 20874), (966, 19880), (980, 19596), (994, 19320), (1065, 18032), (1104, 17395), (1127, 17040), (1136, 16905), (1176, 16330), (1288, 14910), (1380, 13916), (1420, 13524), (1470, 13064), (1491, 12880), (1610, 11928), (1633, 11760), (1680, 11431), (1704, 11270), (1840, 10437), (1932, 9940), (1960, 9798), (1988, 9660), (2130, 9016), (2254, 8520), (2352, 8165), (2415, 7952), (2485, 7728), (2576, 7455), (2760, 6958), (2840, 6762), (2940, 6532), (2982, 6440), (3220, 5964), (3266, 5880), (3381, 5680), (3408, 5635), (3479, 5520), (3864, 4970), (3920, 4899), (3976, 4830), (4260, 4508)]