18970713

素因数分解:

$3^3\times {\mathrm{709}}^1\times {\mathrm{991}}^1$

素因数の和:1709

約数の個数: 16

約数和(自身を含む): 28172800

約数和(自身を除く): 9202087

約数列:

[1, 3, 9, 27, 709, 991, 2127, 2973, 6381, 8919, 19143, 26757, 702619, 2107857, 6323571, 18970713]

約数ペア:

[(1, 18970713), (3, 6323571), (9, 2107857), (27, 702619), (709, 26757), (991, 19143), (2127, 8919), (2973, 6381)]