18638205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73091}}^1$

素因数の和:73116

約数の個数: 16

約数和(自身を含む): 31575744

約数和(自身を除く): 12937539

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 73091, 219273, 365455, 1096365, 1242547, 3727641, 6212735, 18638205]

約数ペア:

[(1, 18638205), (3, 6212735), (5, 3727641), (15, 1242547), (17, 1096365), (51, 365455), (85, 219273), (255, 73091)]