19779966

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1709}}^1$

素因数の和:2360

約数の個数: 24

約数和(自身を含む): 42948360

約数和(自身を除く): 23168394

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1709, 1929, 3418, 3858, 5127, 5787, 10254, 11574, 15381, 30762, 1098887, 2197774, 3296661, 6593322, 9889983, 19779966]

約数ペア:

[(1, 19779966), (2, 9889983), (3, 6593322), (6, 3296661), (9, 2197774), (18, 1098887), (643, 30762), (1286, 15381), (1709, 11574), (1929, 10254), (3418, 5787), (3858, 5127)]