19995503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 22743456

約数和(自身を除く): 2747953

約数列:

[1, 11, 37, 73, 407, 673, 803, 2701, 7403, 24901, 29711, 49129, 273911, 540419, 1817773, 19995503]

約数ペア:

[(1, 19995503), (11, 1817773), (37, 540419), (73, 273911), (407, 49129), (673, 29711), (803, 24901), (2701, 7403)]