18021206

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4139}}^1$

素因数の和:4459

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 12979114

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4139, 4354, 8278, 28973, 57946, 1287229, 2574458, 9010603, 18021206]

約数ペア:

[(1, 18021206), (2, 9010603), (7, 2574458), (14, 1287229), (311, 57946), (622, 28973), (2177, 8278), (4139, 4354)]