18819922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{971}}^1$

素因数の和:1865

約数の個数: 16

約数和(自身を含む): 30862944

約数和(自身を除く): 12043022

約数列:

[1, 2, 11, 22, 881, 971, 1762, 1942, 9691, 10681, 19382, 21362, 855451, 1710902, 9409961, 18819922]

約数ペア:

[(1, 18819922), (2, 9409961), (11, 1710902), (22, 855451), (881, 21362), (971, 19382), (1762, 10681), (1942, 9691)]