19983610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68909}}^1$

素因数の和:68945

約数の個数: 16

約数和(自身を含む): 37211400

約数和(自身を除く): 17227790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68909, 137818, 344545, 689090, 1998361, 3996722, 9991805, 19983610]

約数ペア:

[(1, 19983610), (2, 9991805), (5, 3996722), (10, 1998361), (29, 689090), (58, 344545), (145, 137818), (290, 68909)]