18997443

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16363}}^1$

素因数の和:16415

約数の個数: 16

約数和(自身を含む): 28800640

約数和(自身を除く): 9803197

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16363, 49089, 147267, 441801, 703609, 2110827, 6332481, 18997443]

約数ペア:

[(1, 18997443), (3, 6332481), (9, 2110827), (27, 703609), (43, 441801), (129, 147267), (387, 49089), (1161, 16363)]