18289905

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9601}}^1$

素因数の和:9736

約数の個数: 16

約数和(自身を含む): 29497344

約数和(自身を除く): 11207439

約数列:

[1, 3, 5, 15, 127, 381, 635, 1905, 9601, 28803, 48005, 144015, 1219327, 3657981, 6096635, 18289905]

約数ペア:

[(1, 18289905), (3, 6096635), (5, 3657981), (15, 1219327), (127, 144015), (381, 48005), (635, 28803), (1905, 9601)]