18129921

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1932

約数の個数: 16

約数和(自身を含む): 25049088

約数和(自身を除く): 6919167

約数列:

[1, 3, 47, 71, 141, 213, 1811, 3337, 5433, 10011, 85117, 128581, 255351, 385743, 6043307, 18129921]

約数ペア:

[(1, 18129921), (3, 6043307), (47, 385743), (71, 255351), (141, 128581), (213, 85117), (1811, 10011), (3337, 5433)]