18385155

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3217}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 32128512

約数和(自身を除く): 13743357

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3217, 5715, 9651, 16085, 28953, 48255, 144765, 408559, 1225677, 2042795, 3677031, 6128385, 18385155]

約数ペア:

[(1, 18385155), (3, 6128385), (5, 3677031), (9, 2042795), (15, 1225677), (45, 408559), (127, 144765), (381, 48255), (635, 28953), (1143, 16085), (1905, 9651), (3217, 5715)]