19037727

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{9931}}^1$

素因数の和:10011

約数の個数: 16

約数和(自身を含む): 28604160

約数和(自身を除く): 9566433

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 9931, 29793, 89379, 268137, 705101, 2115303, 6345909, 19037727]

約数ペア:

[(1, 19037727), (3, 6345909), (9, 2115303), (27, 705101), (71, 268137), (213, 89379), (639, 29793), (1917, 9931)]