19935273

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6719}}^1$

素因数の和:6788

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 8450007

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6719, 20157, 154537, 288917, 463611, 866751, 6645091, 19935273]

約数ペア:

[(1, 19935273), (3, 6645091), (23, 866751), (43, 463611), (69, 288917), (129, 154537), (989, 20157), (2967, 6719)]