19627586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1987}}^1$

素因数の和:2449

約数の個数: 16

約数和(自身を含む): 32205600

約数和(自身を除く): 12578014

約数列:

[1, 2, 11, 22, 449, 898, 1987, 3974, 4939, 9878, 21857, 43714, 892163, 1784326, 9813793, 19627586]

約数ペア:

[(1, 19627586), (2, 9813793), (11, 1784326), (22, 892163), (449, 43714), (898, 21857), (1987, 9878), (3974, 4939)]