19660791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3433}}^1$

素因数の和:3542

約数の個数: 16

約数和(自身を含む): 27691776

約数和(自身を除く): 8030985

約数列:

[1, 3, 23, 69, 83, 249, 1909, 3433, 5727, 10299, 78959, 236877, 284939, 854817, 6553597, 19660791]

約数ペア:

[(1, 19660791), (3, 6553597), (23, 854817), (69, 284939), (83, 236877), (249, 78959), (1909, 10299), (3433, 5727)]