19906926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255217}}^1$

素因数の和:255235

約数の個数: 16

約数和(自身を含む): 42876624

約数和(自身を除く): 22969698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255217, 510434, 765651, 1531302, 3317821, 6635642, 9953463, 19906926]

約数ペア:

[(1, 19906926), (2, 9953463), (3, 6635642), (6, 3317821), (13, 1531302), (26, 765651), (39, 510434), (78, 255217)]