18188385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71327}}^1$

素因数の和:71352

約数の個数: 16

約数和(自身を含む): 30813696

約数和(自身を除く): 12625311

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 71327, 213981, 356635, 1069905, 1212559, 3637677, 6062795, 18188385]

約数ペア:

[(1, 18188385), (3, 6062795), (5, 3637677), (15, 1212559), (17, 1069905), (51, 356635), (85, 213981), (255, 71327)]