18328005

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1069}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 32870400

約数和(自身を除く): 14542395

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1069, 1143, 1905, 3207, 3429, 5345, 5715, 9621, 16035, 17145, 28863, 48105, 135763, 144315, 407289, 678815, 1221867, 2036445, 3665601, 6109335, 18328005]

約数ペア:

[(1, 18328005), (3, 6109335), (5, 3665601), (9, 2036445), (15, 1221867), (27, 678815), (45, 407289), (127, 144315), (135, 135763), (381, 48105), (635, 28863), (1069, 17145), (1143, 16035), (1905, 9621), (3207, 5715), (3429, 5345)]