19779190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5479}}^1$

素因数の和:5524

約数の個数: 24

約数和(自身を含む): 37581840

約数和(自身を除く): 17802650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5479, 10958, 27395, 54790, 104101, 208202, 520505, 1041010, 1977919, 3955838, 9889595, 19779190]

約数ペア:

[(1, 19779190), (2, 9889595), (5, 3955838), (10, 1977919), (19, 1041010), (38, 520505), (95, 208202), (190, 104101), (361, 54790), (722, 27395), (1805, 10958), (3610, 5479)]