18639099

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{11317}}^1$

素因数の和:11387

約数の個数: 16

約数和(自身を含む): 28068640

約数和(自身を除く): 9429541

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 11317, 33951, 101853, 305559, 690337, 2071011, 6213033, 18639099]

約数ペア:

[(1, 18639099), (3, 6213033), (9, 2071011), (27, 690337), (61, 305559), (183, 101853), (549, 33951), (1647, 11317)]