19983196

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 35624960

約数和(自身を除く): 15641764

約数列:

[1, 2, 4, 127, 139, 254, 278, 283, 508, 556, 566, 1132, 17653, 35306, 35941, 39337, 70612, 71882, 78674, 143764, 157348, 4995799, 9991598, 19983196]

約数ペア:

[(1, 19983196), (2, 9991598), (4, 4995799), (127, 157348), (139, 143764), (254, 78674), (278, 71882), (283, 70612), (508, 39337), (556, 35941), (566, 35306), (1132, 17653)]