19627605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25657}}^1$

素因数の和:25685

約数の個数: 24

約数和(自身を含む): 36023832

約数和(自身を除く): 16396227

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25657, 76971, 128285, 230913, 384855, 436169, 1154565, 1308507, 2180845, 3925521, 6542535, 19627605]

約数ペア:

[(1, 19627605), (3, 6542535), (5, 3925521), (9, 2180845), (15, 1308507), (17, 1154565), (45, 436169), (51, 384855), (85, 230913), (153, 128285), (255, 76971), (765, 25657)]