19824880

素因数分解:

$2^4\times 5^1\times {\mathrm{247811}}^1$

素因数の和:247824

約数の個数: 20

約数和(自身を含む): 46093032

約数和(自身を除く): 26268152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 247811, 495622, 991244, 1239055, 1982488, 2478110, 3964976, 4956220, 9912440, 19824880]

約数ペア:

[(1, 19824880), (2, 9912440), (4, 4956220), (5, 3964976), (8, 2478110), (10, 1982488), (16, 1239055), (20, 991244), (40, 495622), (80, 247811)]