19174881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3701}}^1$

素因数の和:3872

約数の個数: 16

約数和(自身を含む): 28075968

約数和(自身を除く): 8901087

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3701, 5181, 11103, 40711, 122133, 581057, 1743171, 6391627, 19174881]

約数ペア:

[(1, 19174881), (3, 6391627), (11, 1743171), (33, 581057), (157, 122133), (471, 40711), (1727, 11103), (3701, 5181)]