18879441

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1831}}^1$

素因数の和:2332

約数の個数: 16

約数和(自身を含む): 28843008

約数和(自身を除く): 9963567

約数列:

[1, 3, 7, 21, 491, 1473, 1831, 3437, 5493, 10311, 12817, 38451, 899021, 2697063, 6293147, 18879441]

約数ペア:

[(1, 18879441), (3, 6293147), (7, 2697063), (21, 899021), (491, 38451), (1473, 12817), (1831, 10311), (3437, 5493)]