19867953609

素因数分解:

$3^2\times 7^3\times {\mathrm{6436007}}^1$

素因数の和:6436034

約数の個数: 24

約数和(自身を含む): 33467241600

約数和(自身を除く): 13599287991

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6436007, 19308021, 45052049, 57924063, 135156147, 315364343, 405468441, 946093029, 2207550401, 2838279087, 6622651203, 19867953609]

約数ペア:

[(1, 19867953609), (3, 6622651203), (7, 2838279087), (9, 2207550401), (21, 946093029), (49, 405468441), (63, 315364343), (147, 135156147), (343, 57924063), (441, 45052049), (1029, 19308021), (3087, 6436007)]