19685493

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 30176640

約数和(自身を除く): 10491147

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1403, 1559, 4209, 4677, 12627, 14031, 35857, 95099, 107571, 285297, 322713, 855891, 2187277, 6561831, 19685493]

約数ペア:

[(1, 19685493), (3, 6561831), (9, 2187277), (23, 855891), (61, 322713), (69, 285297), (183, 107571), (207, 95099), (549, 35857), (1403, 14031), (1559, 12627), (4209, 4677)]