19768912

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4397}}^1$

素因数の和:4686

約数の個数: 20

約数和(自身を含む): 38447316

約数和(自身を除く): 18678404

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4397, 4496, 8794, 17588, 35176, 70352, 1235557, 2471114, 4942228, 9884456, 19768912]

約数ペア:

[(1, 19768912), (2, 9884456), (4, 4942228), (8, 2471114), (16, 1235557), (281, 70352), (562, 35176), (1124, 17588), (2248, 8794), (4397, 4496)]