18559665

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8087}}^1$

素因数の和:8118

約数の個数: 32

約数和(自身を含む): 34940160

約数和(自身を除く): 16380495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8087, 24261, 40435, 72783, 121305, 137479, 218349, 363915, 412437, 687395, 1091745, 1237311, 2062185, 3711933, 6186555, 18559665]

約数ペア:

[(1, 18559665), (3, 6186555), (5, 3711933), (9, 2062185), (15, 1237311), (17, 1091745), (27, 687395), (45, 412437), (51, 363915), (85, 218349), (135, 137479), (153, 121305), (255, 72783), (459, 40435), (765, 24261), (2295, 8087)]