18543897

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4871}}^1$

素因数の和:4930

約数の個数: 20

約数和(自身を含む): 28296576

約数和(自身を除く): 9752679

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4871, 14613, 43839, 131517, 228937, 394551, 686811, 2060433, 6181299, 18543897]

約数ペア:

[(1, 18543897), (3, 6181299), (9, 2060433), (27, 686811), (47, 394551), (81, 228937), (141, 131517), (423, 43839), (1269, 14613), (3807, 4871)]