19405144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220513}}^1$

素因数の和:220530

約数の個数: 16

約数和(自身を含む): 39692520

約数和(自身を除く): 20287376

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220513, 441026, 882052, 1764104, 2425643, 4851286, 9702572, 19405144]

約数ペア:

[(1, 19405144), (2, 9702572), (4, 4851286), (8, 2425643), (11, 1764104), (22, 882052), (44, 441026), (88, 220513)]