18826280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42787}}^1$

素因数の和:42809

約数の個数: 32

約数和(自身を含む): 46211040

約数和(自身を除く): 27384760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42787, 85574, 171148, 213935, 342296, 427870, 470657, 855740, 941314, 1711480, 1882628, 2353285, 3765256, 4706570, 9413140, 18826280]

約数ペア:

[(1, 18826280), (2, 9413140), (4, 4706570), (5, 3765256), (8, 2353285), (10, 1882628), (11, 1711480), (20, 941314), (22, 855740), (40, 470657), (44, 427870), (55, 342296), (88, 213935), (110, 171148), (220, 85574), (440, 42787)]