19741821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5591}}^1$

素因数の和:5712

約数の個数: 16

約数和(自身を含む): 28988928

約数和(自身を除く): 9247107

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5591, 16773, 61501, 184503, 598237, 1794711, 6580607, 19741821]

約数ペア:

[(1, 19741821), (3, 6580607), (11, 1794711), (33, 598237), (107, 184503), (321, 61501), (1177, 16773), (3531, 5591)]