19806531

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8081}}^1$

素因数の和:8146

約数の個数: 16

約数和(自身を含む): 28448640

約数和(自身を除く): 8642109

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8081, 24243, 153539, 347483, 460617, 1042449, 6602177, 19806531]

約数ペア:

[(1, 19806531), (3, 6602177), (19, 1042449), (43, 460617), (57, 347483), (129, 153539), (817, 24243), (2451, 8081)]