18494960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21017}}^1$

素因数の和:21041

約数の個数: 40

約数和(自身を含む): 46912176

約数和(自身を除く): 28417216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21017, 42034, 84068, 105085, 168136, 210170, 231187, 336272, 420340, 462374, 840680, 924748, 1155935, 1681360, 1849496, 2311870, 3698992, 4623740, 9247480, 18494960]

約数ペア:

[(1, 18494960), (2, 9247480), (4, 4623740), (5, 3698992), (8, 2311870), (10, 1849496), (11, 1681360), (16, 1155935), (20, 924748), (22, 840680), (40, 462374), (44, 420340), (55, 336272), (80, 231187), (88, 210170), (110, 168136), (176, 105085), (220, 84068), (440, 42034), (880, 21017)]