19018665

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8287}}^1$

素因数の和:8318

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 16785495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8287, 24861, 41435, 74583, 124305, 140879, 223749, 372915, 422637, 704395, 1118745, 1267911, 2113185, 3803733, 6339555, 19018665]

約数ペア:

[(1, 19018665), (3, 6339555), (5, 3803733), (9, 2113185), (15, 1267911), (17, 1118745), (27, 704395), (45, 422637), (51, 372915), (85, 223749), (135, 140879), (153, 124305), (255, 74583), (459, 41435), (765, 24861), (2295, 8287)]