19798791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6742

約数の個数: 16

約数和(自身を含む): 28190976

約数和(自身を除く): 8392185

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6673, 20019, 153479, 286939, 460437, 860817, 6599597, 19798791]

約数ペア:

[(1, 19798791), (3, 6599597), (23, 860817), (43, 460437), (69, 286939), (129, 153479), (989, 20019), (2967, 6673)]