18747441

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 27963936

約数和(自身を除く): 9216495

約数列:

[1, 3, 9, 43, 129, 193, 251, 387, 579, 753, 1737, 2259, 8299, 10793, 24897, 32379, 48443, 74691, 97137, 145329, 435987, 2083049, 6249147, 18747441]

約数ペア:

[(1, 18747441), (3, 6249147), (9, 2083049), (43, 435987), (129, 145329), (193, 97137), (251, 74691), (387, 48443), (579, 32379), (753, 24897), (1737, 10793), (2259, 8299)]