2180984816

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1919881}}^1$

素因数の和:1919960

約数の個数: 20

約数和(自身を含む): 4285176624

約数和(自身を除く): 2104191808

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1919881, 3839762, 7679524, 15359048, 30718096, 136311551, 272623102, 545246204, 1090492408, 2180984816]

約数ペア:

[(1, 2180984816), (2, 1090492408), (4, 545246204), (8, 272623102), (16, 136311551), (71, 30718096), (142, 15359048), (284, 7679524), (568, 3839762), (1136, 1919881)]