19925647

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 3713393

約数列:

[1, 7, 37, 107, 259, 719, 749, 3959, 5033, 26603, 27713, 76933, 186221, 538531, 2846521, 19925647]

約数ペア:

[(1, 19925647), (7, 2846521), (37, 538531), (107, 186221), (259, 76933), (719, 27713), (749, 26603), (3959, 5033)]