18391605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53309}}^1$

素因数の和:53340

約数の個数: 16

約数和(自身を含む): 30706560

約数和(自身を除く): 12314955

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 53309, 159927, 266545, 799635, 1226107, 3678321, 6130535, 18391605]

約数ペア:

[(1, 18391605), (3, 6130535), (5, 3678321), (15, 1226107), (23, 799635), (69, 266545), (115, 159927), (345, 53309)]