19511439

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 7445361

約数列:

[1, 3, 47, 71, 141, 213, 1949, 3337, 5847, 10011, 91603, 138379, 274809, 415137, 6503813, 19511439]

約数ペア:

[(1, 19511439), (3, 6503813), (47, 415137), (71, 274809), (141, 138379), (213, 91603), (1949, 10011), (3337, 5847)]