19565019

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 30131712

約数和(自身を除く): 10566693

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2011, 3243, 6033, 9729, 18099, 46253, 94517, 138759, 283551, 416277, 850653, 2173891, 6521673, 19565019]

約数ペア:

[(1, 19565019), (3, 6521673), (9, 2173891), (23, 850653), (47, 416277), (69, 283551), (141, 138759), (207, 94517), (423, 46253), (1081, 18099), (2011, 9729), (3243, 6033)]