18968565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1493}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 38150784

約数和(自身を除く): 19182219

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1493, 1815, 2541, 4235, 4479, 7465, 10451, 12705, 16423, 22395, 31353, 49269, 52255, 82115, 114961, 156765, 180653, 246345, 344883, 541959, 574805, 903265, 1264571, 1724415, 2709795, 3793713, 6322855, 18968565]

約数ペア:

[(1, 18968565), (3, 6322855), (5, 3793713), (7, 2709795), (11, 1724415), (15, 1264571), (21, 903265), (33, 574805), (35, 541959), (55, 344883), (77, 246345), (105, 180653), (121, 156765), (165, 114961), (231, 82115), (363, 52255), (385, 49269), (605, 31353), (847, 22395), (1155, 16423), (1493, 12705), (1815, 10451), (2541, 7465), (4235, 4479)]