18712140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311869}}^1$

素因数の和:311881

約数の個数: 24

約数和(自身を含む): 52394160

約数和(自身を除く): 33682020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311869, 623738, 935607, 1247476, 1559345, 1871214, 3118690, 3742428, 4678035, 6237380, 9356070, 18712140]

約数ペア:

[(1, 18712140), (2, 9356070), (3, 6237380), (4, 4678035), (5, 3742428), (6, 3118690), (10, 1871214), (12, 1559345), (15, 1247476), (20, 935607), (30, 623738), (60, 311869)]