18870189984

素因数分解:

$2^5\times 3^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{1511}}^1$

素因数の和:2051

約数の個数: 144

約数和(自身を含む): 54347739264

約数和(自身を除く): 35477549280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 103, 144, 206, 288, 309, 412, 421, 618, 824, 842, 927, 1236, 1263, 1511, 1648, 1684, 1854, 2472, 2526, 3022, 3296, 3368, 3708, 3789, 4533, 4944, 5052, 6044, 6736, 7416, 7578, 9066, 9888, 10104, 12088, 13472, 13599, 14832, 15156, 18132, 20208, 24176, 27198, 29664, 30312, 36264, 40416, 43363, 48352, 54396, 60624, 72528, 86726, 108792, 121248, 130089, 145056, 155633, 173452, 217584, 260178, 311266, 346904, 390267, 435168, 466899, 520356, 622532, 636131, 693808, 780534, 933798, 1040712, 1245064, 1272262, 1387616, 1400697, 1561068, 1867596, 1908393, 2081424, 2490128, 2544524, 2801394, 3122136, 3735192, 3816786, 4162848, 4980256, 5089048, 5602788, 5725179, 6244272, 7470384, 7633572, 10178096, 11205576, 11450358, 12488544, 14940768, 15267144, 20356192, 22411152, 22900716, 30534288, 44822304, 45801432, 61068576, 65521493, 91602864, 131042986, 183205728, 196564479, 262085972, 393128958, 524171944, 589693437, 786257916, 1048343888, 1179386874, 1572515832, 2096687776, 2358773748, 3145031664, 4717547496, 6290063328, 9435094992, 18870189984]

約数ペア:

[(1, 18870189984), (2, 9435094992), (3, 6290063328), (4, 4717547496), (6, 3145031664), (8, 2358773748), (9, 2096687776), (12, 1572515832), (16, 1179386874), (18, 1048343888), (24, 786257916), (32, 589693437), (36, 524171944), (48, 393128958), (72, 262085972), (96, 196564479), (103, 183205728), (144, 131042986), (206, 91602864), (288, 65521493), (309, 61068576), (412, 45801432), (421, 44822304), (618, 30534288), (824, 22900716), (842, 22411152), (927, 20356192), (1236, 15267144), (1263, 14940768), (1511, 12488544), (1648, 11450358), (1684, 11205576), (1854, 10178096), (2472, 7633572), (2526, 7470384), (3022, 6244272), (3296, 5725179), (3368, 5602788), (3708, 5089048), (3789, 4980256), (4533, 4162848), (4944, 3816786), (5052, 3735192), (6044, 3122136), (6736, 2801394), (7416, 2544524), (7578, 2490128), (9066, 2081424), (9888, 1908393), (10104, 1867596), (12088, 1561068), (13472, 1400697), (13599, 1387616), (14832, 1272262), (15156, 1245064), (18132, 1040712), (20208, 933798), (24176, 780534), (27198, 693808), (29664, 636131), (30312, 622532), (36264, 520356), (40416, 466899), (43363, 435168), (48352, 390267), (54396, 346904), (60624, 311266), (72528, 260178), (86726, 217584), (108792, 173452), (121248, 155633), (130089, 145056)]