2019787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 2668032

約数和(自身を除く): 648245

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 1543, 10801, 16973, 26231, 118811, 183617, 288541, 2019787]

約数ペア:

[(1, 2019787), (7, 288541), (11, 183617), (17, 118811), (77, 26231), (119, 16973), (187, 10801), (1309, 1543)]