19916697

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{853}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 27355328

約数和(自身を除く): 7438631

約数列:

[1, 3, 43, 129, 181, 543, 853, 2559, 7783, 23349, 36679, 110037, 154393, 463179, 6638899, 19916697]

約数ペア:

[(1, 19916697), (3, 6638899), (43, 463179), (129, 154393), (181, 110037), (543, 36679), (853, 23349), (2559, 7783)]