18467640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1253

約数の個数: 96

約数和(自身を含む): 61467120

約数和(自身を除く): 42999480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1193, 1290, 1548, 1720, 1935, 2386, 2580, 3096, 3579, 3870, 4772, 5160, 5965, 7158, 7740, 9544, 10737, 11930, 14316, 15480, 17895, 21474, 23860, 28632, 35790, 42948, 47720, 51299, 53685, 71580, 85896, 102598, 107370, 143160, 153897, 205196, 214740, 256495, 307794, 410392, 429480, 461691, 512990, 615588, 769485, 923382, 1025980, 1231176, 1538970, 1846764, 2051960, 2308455, 3077940, 3693528, 4616910, 6155880, 9233820, 18467640]

約数ペア:

[(1, 18467640), (2, 9233820), (3, 6155880), (4, 4616910), (5, 3693528), (6, 3077940), (8, 2308455), (9, 2051960), (10, 1846764), (12, 1538970), (15, 1231176), (18, 1025980), (20, 923382), (24, 769485), (30, 615588), (36, 512990), (40, 461691), (43, 429480), (45, 410392), (60, 307794), (72, 256495), (86, 214740), (90, 205196), (120, 153897), (129, 143160), (172, 107370), (180, 102598), (215, 85896), (258, 71580), (344, 53685), (360, 51299), (387, 47720), (430, 42948), (516, 35790), (645, 28632), (774, 23860), (860, 21474), (1032, 17895), (1193, 15480), (1290, 14316), (1548, 11930), (1720, 10737), (1935, 9544), (2386, 7740), (2580, 7158), (3096, 5965), (3579, 5160), (3870, 4772)]