18580155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 33899040

約数和(自身を除く): 15318885

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 121, 145, 165, 319, 353, 363, 435, 605, 957, 1059, 1595, 1765, 1815, 3509, 3883, 4785, 5295, 10237, 10527, 11649, 17545, 19415, 30711, 42713, 51185, 52635, 58245, 112607, 128139, 153555, 213565, 337821, 563035, 640695, 1238677, 1689105, 3716031, 6193385, 18580155]

約数ペア:

[(1, 18580155), (3, 6193385), (5, 3716031), (11, 1689105), (15, 1238677), (29, 640695), (33, 563035), (55, 337821), (87, 213565), (121, 153555), (145, 128139), (165, 112607), (319, 58245), (353, 52635), (363, 51185), (435, 42713), (605, 30711), (957, 19415), (1059, 17545), (1595, 11649), (1765, 10527), (1815, 10237), (3509, 5295), (3883, 4785)]