19954445

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6869}}^1$

素因数の和:6964

約数の個数: 16

約数和(自身を含む): 27699840

約数和(自身を除く): 7745395

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6869, 34345, 48083, 240415, 570127, 2850635, 3990889, 19954445]

約数ペア:

[(1, 19954445), (5, 3990889), (7, 2850635), (35, 570127), (83, 240415), (415, 48083), (581, 34345), (2905, 6869)]