18984735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5479}}^1$

素因数の和:5508

約数の個数: 48

約数和(自身を含む): 41034240

約数和(自身を除く): 22049505

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5479, 16437, 27395, 38353, 49311, 60269, 82185, 115059, 180807, 191765, 246555, 301345, 345177, 421883, 542421, 575295, 904035, 1265649, 1725885, 2109415, 2712105, 3796947, 6328245, 18984735]

約数ペア:

[(1, 18984735), (3, 6328245), (5, 3796947), (7, 2712105), (9, 2109415), (11, 1725885), (15, 1265649), (21, 904035), (33, 575295), (35, 542421), (45, 421883), (55, 345177), (63, 301345), (77, 246555), (99, 191765), (105, 180807), (165, 115059), (231, 82185), (315, 60269), (385, 49311), (495, 38353), (693, 27395), (1155, 16437), (3465, 5479)]