17947664

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 42068736

約数和(自身を除く): 24121072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 61, 71, 74, 112, 122, 142, 148, 244, 259, 284, 296, 427, 488, 497, 518, 568, 592, 854, 976, 994, 1036, 1136, 1708, 1988, 2072, 2257, 2627, 3416, 3976, 4144, 4331, 4514, 5254, 6832, 7952, 8662, 9028, 10508, 15799, 17324, 18056, 18389, 21016, 30317, 31598, 34648, 36112, 36778, 42032, 60634, 63196, 69296, 73556, 121268, 126392, 147112, 160247, 242536, 252784, 294224, 320494, 485072, 640988, 1121729, 1281976, 2243458, 2563952, 4486916, 8973832, 17947664]

約数ペア:

[(1, 17947664), (2, 8973832), (4, 4486916), (7, 2563952), (8, 2243458), (14, 1281976), (16, 1121729), (28, 640988), (37, 485072), (56, 320494), (61, 294224), (71, 252784), (74, 242536), (112, 160247), (122, 147112), (142, 126392), (148, 121268), (244, 73556), (259, 69296), (284, 63196), (296, 60634), (427, 42032), (488, 36778), (497, 36112), (518, 34648), (568, 31598), (592, 30317), (854, 21016), (976, 18389), (994, 18056), (1036, 17324), (1136, 15799), (1708, 10508), (1988, 9028), (2072, 8662), (2257, 7952), (2627, 6832), (3416, 5254), (3976, 4514), (4144, 4331)]