19995069

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 27498240

約数和(自身を除く): 7503171

約数列:

[1, 3, 47, 109, 141, 327, 1301, 3903, 5123, 15369, 61147, 141809, 183441, 425427, 6665023, 19995069]

約数ペア:

[(1, 19995069), (3, 6665023), (47, 425427), (109, 183441), (141, 141809), (327, 61147), (1301, 15369), (3903, 5123)]