19824970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4871}}^1$

素因数の和:4926

約数の個数: 32

約数和(自身を含む): 39989376

約数和(自身を除く): 20164406

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4871, 9742, 24355, 48710, 53581, 107162, 180227, 267905, 360454, 535810, 901135, 1802270, 1982497, 3964994, 9912485, 19824970]

約数ペア:

[(1, 19824970), (2, 9912485), (5, 3964994), (10, 1982497), (11, 1802270), (22, 901135), (37, 535810), (55, 360454), (74, 267905), (110, 180227), (185, 107162), (370, 53581), (407, 48710), (814, 24355), (2035, 9742), (4070, 4871)]