18963728

素因数分解:

$2^4\times 7^1\times {\mathrm{169319}}^1$

素因数の和:169334

約数の個数: 20

約数和(自身を含む): 41991360

約数和(自身を除く): 23027632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169319, 338638, 677276, 1185233, 1354552, 2370466, 2709104, 4740932, 9481864, 18963728]

約数ペア:

[(1, 18963728), (2, 9481864), (4, 4740932), (7, 2709104), (8, 2370466), (14, 1354552), (16, 1185233), (28, 677276), (56, 338638), (112, 169319)]