19712451

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{929}}^1$

素因数の和:1586

約数の個数: 16

約数和(自身を含む): 28748160

約数和(自身を除く): 9035709

約数列:

[1, 3, 11, 33, 643, 929, 1929, 2787, 7073, 10219, 21219, 30657, 597347, 1792041, 6570817, 19712451]

約数ペア:

[(1, 19712451), (3, 6570817), (11, 1792041), (33, 597347), (643, 30657), (929, 21219), (1929, 10219), (2787, 7073)]