19448528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110503}}^1$

素因数の和:110522

約数の個数: 20

約数和(自身を含む): 41107488

約数和(自身を除く): 21658960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110503, 221006, 442012, 884024, 1215533, 1768048, 2431066, 4862132, 9724264, 19448528]

約数ペア:

[(1, 19448528), (2, 9724264), (4, 4862132), (8, 2431066), (11, 1768048), (16, 1215533), (22, 884024), (44, 442012), (88, 221006), (176, 110503)]