19401272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220469}}^1$

素因数の和:220486

約数の個数: 16

約数和(自身を含む): 39684600

約数和(自身を除く): 20283328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220469, 440938, 881876, 1763752, 2425159, 4850318, 9700636, 19401272]

約数ペア:

[(1, 19401272), (2, 9700636), (4, 4850318), (8, 2425159), (11, 1763752), (22, 881876), (44, 440938), (88, 220469)]