18760168

素因数分解:

$2^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 21579992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 521, 643, 1042, 1286, 2084, 2572, 3647, 4168, 4501, 5144, 7294, 9002, 14588, 18004, 29176, 36008, 335003, 670006, 1340012, 2345021, 2680024, 4690042, 9380084, 18760168]

約数ペア:

[(1, 18760168), (2, 9380084), (4, 4690042), (7, 2680024), (8, 2345021), (14, 1340012), (28, 670006), (56, 335003), (521, 36008), (643, 29176), (1042, 18004), (1286, 14588), (2084, 9002), (2572, 7294), (3647, 5144), (4168, 4501)]