19749398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3739}}^1$

素因数の和:3899

約数の個数: 16

約数和(自身を含む): 31416000

約数和(自身を除く): 11666602

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3739, 5282, 7478, 71041, 142082, 519721, 1039442, 9874699, 19749398]

約数ペア:

[(1, 19749398), (2, 9874699), (19, 1039442), (38, 519721), (139, 142082), (278, 71041), (2641, 7478), (3739, 5282)]