19223889

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5309}}^1$

素因数の和:5400

約数の個数: 16

約数和(自身を含む): 27527040

約数和(自身を除く): 8303151

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5309, 15927, 90253, 270759, 376939, 1130817, 6407963, 19223889]

約数ペア:

[(1, 19223889), (3, 6407963), (17, 1130817), (51, 376939), (71, 270759), (213, 90253), (1207, 15927), (3621, 5309)]