18380205

素因数分解:

$3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1753}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 32014008

約数和(自身を除く): 13633803

約数列:

[1, 3, 5, 9, 15, 45, 233, 699, 1165, 1753, 2097, 3495, 5259, 8765, 10485, 15777, 26295, 78885, 408449, 1225347, 2042245, 3676041, 6126735, 18380205]

約数ペア:

[(1, 18380205), (3, 6126735), (5, 3676041), (9, 2042245), (15, 1225347), (45, 408449), (233, 78885), (699, 26295), (1165, 15777), (1753, 10485), (2097, 8765), (3495, 5259)]