19803883

素因数分解:

${\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 2372117

約数列:

[1, 11, 83, 109, 199, 913, 1199, 2189, 9047, 16517, 21691, 99517, 181687, 238601, 1800353, 19803883]

約数ペア:

[(1, 19803883), (11, 1800353), (83, 238601), (109, 181687), (199, 99517), (913, 21691), (1199, 16517), (2189, 9047)]