18682371

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 29820960

約数和(自身を除く): 11138589

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5309, 15927, 47781, 90253, 122107, 270759, 366321, 812277, 1098963, 2075819, 6227457, 18682371]

約数ペア:

[(1, 18682371), (3, 6227457), (9, 2075819), (17, 1098963), (23, 812277), (51, 366321), (69, 270759), (153, 122107), (207, 90253), (391, 47781), (1173, 15927), (3519, 5309)]