19397804

素因数分解:

$2^2\times {\mathrm{1901}}^1\times {\mathrm{2551}}^1$

素因数の和:4456

約数の個数: 12

約数和(自身を含む): 33977328

約数和(自身を除く): 14579524

約数列:

[1, 2, 4, 1901, 2551, 3802, 5102, 7604, 10204, 4849451, 9698902, 19397804]

約数ペア:

[(1, 19397804), (2, 9698902), (4, 4849451), (1901, 10204), (2551, 7604), (3802, 5102)]