19672751

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1822

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 4132177

約数列:

[1, 7, 23, 71, 161, 497, 1633, 1721, 11431, 12047, 39583, 122191, 277081, 855337, 2810393, 19672751]

約数ペア:

[(1, 19672751), (7, 2810393), (23, 855337), (71, 277081), (161, 122191), (497, 39583), (1633, 12047), (1721, 11431)]