19998583024

素因数分解:

$2^4\times 7^1\times {\mathrm{178558777}}^1$

素因数の和:178558792

約数の個数: 20

約数和(自身を含む): 44282576944

約数和(自身を除く): 24283993920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178558777, 357117554, 714235108, 1249911439, 1428470216, 2499822878, 2856940432, 4999645756, 9999291512, 19998583024]

約数ペア:

[(1, 19998583024), (2, 9999291512), (4, 4999645756), (7, 2856940432), (8, 2499822878), (14, 1428470216), (16, 1249911439), (28, 714235108), (56, 357117554), (112, 178558777)]