18760187404

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{421123}}^1$

素因数の和:421214

約数の個数: 48

約数和(自身を含む): 39430682368

約数和(自身を除く): 20670494964

約数列:

[1, 2, 4, 7, 14, 28, 37, 43, 74, 86, 148, 172, 259, 301, 518, 602, 1036, 1204, 1591, 3182, 6364, 11137, 22274, 44548, 421123, 842246, 1684492, 2947861, 5895722, 11791444, 15581551, 18108289, 31163102, 36216578, 62326204, 72433156, 109070857, 126758023, 218141714, 253516046, 436283428, 507032092, 670006693, 1340013386, 2680026772, 4690046851, 9380093702, 18760187404]

約数ペア:

[(1, 18760187404), (2, 9380093702), (4, 4690046851), (7, 2680026772), (14, 1340013386), (28, 670006693), (37, 507032092), (43, 436283428), (74, 253516046), (86, 218141714), (148, 126758023), (172, 109070857), (259, 72433156), (301, 62326204), (518, 36216578), (602, 31163102), (1036, 18108289), (1204, 15581551), (1591, 11791444), (3182, 5895722), (6364, 2947861), (11137, 1684492), (22274, 842246), (44548, 421123)]