19665410

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1949}}^1$

素因数の和:2965

約数の個数: 16

約数和(自身を含む): 35451000

約数和(自身を除く): 15785590

約数列:

[1, 2, 5, 10, 1009, 1949, 2018, 3898, 5045, 9745, 10090, 19490, 1966541, 3933082, 9832705, 19665410]

約数ペア:

[(1, 19665410), (2, 9832705), (5, 3933082), (10, 1966541), (1009, 19490), (1949, 10090), (2018, 9745), (3898, 5045)]