18025581

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2609}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 28563840

約数和(自身を除く): 10538259

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2609, 6909, 7827, 18263, 54789, 122623, 127841, 367869, 383523, 858361, 2575083, 6008527, 18025581]

約数ペア:

[(1, 18025581), (3, 6008527), (7, 2575083), (21, 858361), (47, 383523), (49, 367869), (141, 127841), (147, 122623), (329, 54789), (987, 18263), (2303, 7827), (2609, 6909)]