18738189

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{16927}}^1$

素因数の和:16977

約数の個数: 16

約数和(自身を含む): 28439040

約数和(自身を除く): 9700851

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 16927, 50781, 152343, 457029, 694007, 2082021, 6246063, 18738189]

約数ペア:

[(1, 18738189), (3, 6246063), (9, 2082021), (27, 694007), (41, 457029), (123, 152343), (369, 50781), (1107, 16927)]