1819394784

素因数分解:

$2^5\times 3^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:431

約数の個数: 240

約数和(自身を含む): 5603453856

約数和(自身を除く): 3784059072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 61, 72, 74, 81, 96, 108, 111, 122, 144, 148, 162, 183, 216, 222, 244, 288, 296, 311, 324, 333, 366, 432, 444, 488, 549, 592, 622, 648, 666, 732, 864, 888, 933, 976, 999, 1098, 1184, 1244, 1296, 1332, 1464, 1647, 1776, 1866, 1952, 1998, 2196, 2257, 2488, 2592, 2664, 2799, 2928, 2997, 3294, 3552, 3732, 3996, 4392, 4514, 4941, 4976, 5328, 5598, 5856, 5994, 6588, 6771, 7464, 7992, 8397, 8784, 9028, 9882, 9952, 10656, 11196, 11507, 11988, 13176, 13542, 14928, 15984, 16794, 17568, 18056, 18971, 19764, 20313, 22392, 23014, 23976, 25191, 26352, 27084, 29856, 31968, 33588, 34521, 36112, 37942, 39528, 40626, 44784, 46028, 47952, 50382, 52704, 54168, 56913, 60939, 67176, 69042, 72224, 75884, 79056, 81252, 89568, 92056, 95904, 100764, 103563, 108336, 113826, 121878, 134352, 138084, 151768, 158112, 162504, 170739, 182817, 184112, 201528, 207126, 216672, 227652, 243756, 268704, 276168, 303536, 310689, 325008, 341478, 365634, 368224, 403056, 414252, 455304, 487512, 512217, 552336, 607072, 621378, 650016, 682956, 701927, 731268, 806112, 828504, 910608, 932067, 975024, 1024434, 1104672, 1242756, 1365912, 1403854, 1462536, 1536651, 1657008, 1821216, 1864134, 1950048, 2048868, 2105781, 2485512, 2731824, 2807708, 2925072, 3073302, 3314016, 3728268, 4097736, 4211562, 4971024, 5463648, 5615416, 5850144, 6146604, 6317343, 7456536, 8195472, 8423124, 9942048, 11230832, 12293208, 12634686, 14913072, 16390944, 16846248, 18952029, 22461664, 24586416, 25269372, 29826144, 33692496, 37904058, 49172832, 50538744, 56856087, 67384992, 75808116, 101077488, 113712174, 151616232, 202154976, 227424348, 303232464, 454848696, 606464928, 909697392, 1819394784]

約数ペア:

[(1, 1819394784), (2, 909697392), (3, 606464928), (4, 454848696), (6, 303232464), (8, 227424348), (9, 202154976), (12, 151616232), (16, 113712174), (18, 101077488), (24, 75808116), (27, 67384992), (32, 56856087), (36, 50538744), (37, 49172832), (48, 37904058), (54, 33692496), (61, 29826144), (72, 25269372), (74, 24586416), (81, 22461664), (96, 18952029), (108, 16846248), (111, 16390944), (122, 14913072), (144, 12634686), (148, 12293208), (162, 11230832), (183, 9942048), (216, 8423124), (222, 8195472), (244, 7456536), (288, 6317343), (296, 6146604), (311, 5850144), (324, 5615416), (333, 5463648), (366, 4971024), (432, 4211562), (444, 4097736), (488, 3728268), (549, 3314016), (592, 3073302), (622, 2925072), (648, 2807708), (666, 2731824), (732, 2485512), (864, 2105781), (888, 2048868), (933, 1950048), (976, 1864134), (999, 1821216), (1098, 1657008), (1184, 1536651), (1244, 1462536), (1296, 1403854), (1332, 1365912), (1464, 1242756), (1647, 1104672), (1776, 1024434), (1866, 975024), (1952, 932067), (1998, 910608), (2196, 828504), (2257, 806112), (2488, 731268), (2592, 701927), (2664, 682956), (2799, 650016), (2928, 621378), (2997, 607072), (3294, 552336), (3552, 512217), (3732, 487512), (3996, 455304), (4392, 414252), (4514, 403056), (4941, 368224), (4976, 365634), (5328, 341478), (5598, 325008), (5856, 310689), (5994, 303536), (6588, 276168), (6771, 268704), (7464, 243756), (7992, 227652), (8397, 216672), (8784, 207126), (9028, 201528), (9882, 184112), (9952, 182817), (10656, 170739), (11196, 162504), (11507, 158112), (11988, 151768), (13176, 138084), (13542, 134352), (14928, 121878), (15984, 113826), (16794, 108336), (17568, 103563), (18056, 100764), (18971, 95904), (19764, 92056), (20313, 89568), (22392, 81252), (23014, 79056), (23976, 75884), (25191, 72224), (26352, 69042), (27084, 67176), (29856, 60939), (31968, 56913), (33588, 54168), (34521, 52704), (36112, 50382), (37942, 47952), (39528, 46028), (40626, 44784)]