18259839

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 28566720

約数和(自身を除く): 10306881

約数列:

[1, 3, 9, 13, 39, 117, 239, 653, 717, 1959, 2151, 3107, 5877, 8489, 9321, 25467, 27963, 76401, 156067, 468201, 1404603, 2028871, 6086613, 18259839]

約数ペア:

[(1, 18259839), (3, 6086613), (9, 2028871), (13, 1404603), (39, 468201), (117, 156067), (239, 76401), (653, 27963), (717, 25467), (1959, 9321), (2151, 8489), (3107, 5877)]