18796547

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 24437952

約数和(自身を除く): 5641405

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 811, 2107, 3311, 5677, 8921, 23177, 34873, 39739, 62447, 244111, 383603, 437129, 1708777, 2685221, 18796547]

約数ペア:

[(1, 18796547), (7, 2685221), (11, 1708777), (43, 437129), (49, 383603), (77, 244111), (301, 62447), (473, 39739), (539, 34873), (811, 23177), (2107, 8921), (3311, 5677)]