19379439

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42221}}^1$

素因数の和:42247

約数の個数: 16

約数和(自身を含む): 30399840

約数和(自身を除く): 11020401

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42221, 126663, 379989, 717757, 1139967, 2153271, 6459813, 19379439]

約数ペア:

[(1, 19379439), (3, 6459813), (9, 2153271), (17, 1139967), (27, 717757), (51, 379989), (153, 126663), (459, 42221)]