18514509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{727}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 26662272

約数和(自身を除く): 8147763

約数列:

[1, 3, 13, 39, 653, 727, 1959, 2181, 8489, 9451, 25467, 28353, 474731, 1424193, 6171503, 18514509]

約数ペア:

[(1, 18514509), (3, 6171503), (13, 1424193), (39, 474731), (653, 28353), (727, 25467), (1959, 9451), (2181, 8489)]