2019201812

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{1612781}}^1$

素因数の和:1613098

約数の個数: 12

約数和(自身を含む): 3544894836

約数和(自身を除く): 1525693024

約数列:

[1, 2, 4, 313, 626, 1252, 1612781, 3225562, 6451124, 504800453, 1009600906, 2019201812]

約数ペア:

[(1, 2019201812), (2, 1009600906), (4, 504800453), (313, 6451124), (626, 3225562), (1252, 1612781)]