18869733

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16253}}^1$

素因数の和:16305

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 9737307

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16253, 48759, 146277, 438831, 698879, 2096637, 6289911, 18869733]

約数ペア:

[(1, 18869733), (3, 6289911), (9, 2096637), (27, 698879), (43, 438831), (129, 146277), (387, 48759), (1161, 16253)]