19089621

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1103}}^1$

素因数の和:1753

約数の個数: 16

約数和(自身を含む): 28350720

約数和(自身を除く): 9261099

約数列:

[1, 3, 9, 27, 641, 1103, 1923, 3309, 5769, 9927, 17307, 29781, 707023, 2121069, 6363207, 19089621]

約数ペア:

[(1, 19089621), (3, 6363207), (9, 2121069), (27, 707023), (641, 29781), (1103, 17307), (1923, 9927), (3309, 5769)]