18772968

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30993432

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 71, 92, 138, 142, 184, 213, 276, 284, 426, 479, 552, 568, 852, 958, 1437, 1633, 1704, 1916, 2874, 3266, 3832, 4899, 5748, 6532, 9798, 11017, 11496, 13064, 19596, 22034, 33051, 34009, 39192, 44068, 66102, 68018, 88136, 102027, 132204, 136036, 204054, 264408, 272072, 408108, 782207, 816216, 1564414, 2346621, 3128828, 4693242, 6257656, 9386484, 18772968]

約数ペア:

[(1, 18772968), (2, 9386484), (3, 6257656), (4, 4693242), (6, 3128828), (8, 2346621), (12, 1564414), (23, 816216), (24, 782207), (46, 408108), (69, 272072), (71, 264408), (92, 204054), (138, 136036), (142, 132204), (184, 102027), (213, 88136), (276, 68018), (284, 66102), (426, 44068), (479, 39192), (552, 34009), (568, 33051), (852, 22034), (958, 19596), (1437, 13064), (1633, 11496), (1704, 11017), (1916, 9798), (2874, 6532), (3266, 5748), (3832, 4899)]