19953495

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26083}}^1$

素因数の和:26111

約数の個数: 24

約数和(自身を含む): 36621936

約数和(自身を除く): 16668441

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26083, 78249, 130415, 234747, 391245, 443411, 1173735, 1330233, 2217055, 3990699, 6651165, 19953495]

約数ペア:

[(1, 19953495), (3, 6651165), (5, 3990699), (9, 2217055), (15, 1330233), (17, 1173735), (45, 443411), (51, 391245), (85, 234747), (153, 130415), (255, 78249), (765, 26083)]