19983261

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1597}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 27562304

約数和(自身を除く): 7579043

約数列:

[1, 3, 43, 97, 129, 291, 1597, 4171, 4791, 12513, 68671, 154909, 206013, 464727, 6661087, 19983261]

約数ペア:

[(1, 19983261), (3, 6661087), (43, 464727), (97, 206013), (129, 154909), (291, 68671), (1597, 12513), (4171, 4791)]