19489898

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3931}}^1$

素因数の和:4037

約数の個数: 16

約数和(自身を含む): 30480864

約数和(自身を除く): 10990966

約数列:

[1, 2, 37, 67, 74, 134, 2479, 3931, 4958, 7862, 145447, 263377, 290894, 526754, 9744949, 19489898]

約数ペア:

[(1, 19489898), (2, 9744949), (37, 526754), (67, 290894), (74, 263377), (134, 145447), (2479, 7862), (3931, 4958)]