18723545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1217}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 23941008

約数和(自身を除く): 5217463

約数列:

[1, 5, 17, 85, 181, 905, 1217, 3077, 6085, 15385, 20689, 103445, 220277, 1101385, 3744709, 18723545]

約数ペア:

[(1, 18723545), (5, 3744709), (17, 1101385), (85, 220277), (181, 103445), (905, 20689), (1217, 15385), (3077, 6085)]