18933885

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 33936000

約数和(自身を除く): 15002115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1009, 1251, 2085, 3027, 3753, 5045, 6255, 9081, 15135, 18765, 27243, 45405, 136215, 140251, 420753, 701255, 1262259, 2103765, 3786777, 6311295, 18933885]

約数ペア:

[(1, 18933885), (3, 6311295), (5, 3786777), (9, 2103765), (15, 1262259), (27, 701255), (45, 420753), (135, 140251), (139, 136215), (417, 45405), (695, 27243), (1009, 18765), (1251, 15135), (2085, 9081), (3027, 6255), (3753, 5045)]