18497405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{673}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 23293440

約数和(自身を除く): 4796035

約数列:

[1, 5, 23, 115, 239, 673, 1195, 3365, 5497, 15479, 27485, 77395, 160847, 804235, 3699481, 18497405]

約数ペア:

[(1, 18497405), (5, 3699481), (23, 804235), (115, 160847), (239, 77395), (673, 27485), (1195, 15479), (3365, 5497)]