15491728

素因数分解:

$2^4\times 7^1\times {\mathrm{138319}}^1$

素因数の和:138334

約数の個数: 20

約数和(自身を含む): 34303360

約数和(自身を除く): 18811632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 138319, 276638, 553276, 968233, 1106552, 1936466, 2213104, 3872932, 7745864, 15491728]

約数ペア:

[(1, 15491728), (2, 7745864), (4, 3872932), (7, 2213104), (8, 1936466), (14, 1106552), (16, 968233), (28, 553276), (56, 276638), (112, 138319)]