18778927105

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{628373}}^1$

素因数の和:628560

約数の個数: 16

約数和(自身を含む): 23224703040

約数和(自身を除く): 4445775935

約数列:

[1, 5, 43, 139, 215, 695, 5977, 29885, 628373, 3141865, 27020039, 87343847, 135100195, 436719235, 3755785421, 18778927105]

約数ペア:

[(1, 18778927105), (5, 3755785421), (43, 436719235), (139, 135100195), (215, 87343847), (695, 27020039), (5977, 3141865), (29885, 628373)]