18312489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 28638792

約数和(自身を除く): 10326303

約数列:

[1, 3, 9, 13, 39, 117, 281, 557, 843, 1671, 2529, 3653, 5013, 7241, 10959, 21723, 32877, 65169, 156517, 469551, 1408653, 2034721, 6104163, 18312489]

約数ペア:

[(1, 18312489), (3, 6104163), (9, 2034721), (13, 1408653), (39, 469551), (117, 156517), (281, 65169), (557, 32877), (843, 21723), (1671, 10959), (2529, 7241), (3653, 5013)]