19836801

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 29417960

約数和(自身を除く): 9581159

約数列:

[1, 3, 9, 73, 109, 219, 277, 327, 657, 831, 981, 2493, 7957, 20221, 23871, 30193, 60663, 71613, 90579, 181989, 271737, 2204089, 6612267, 19836801]

約数ペア:

[(1, 19836801), (3, 6612267), (9, 2204089), (73, 271737), (109, 181989), (219, 90579), (277, 71613), (327, 60663), (657, 30193), (831, 23871), (981, 20221), (2493, 7957)]