201812180

素因数分解:

$2^2\times 5^1\times {\mathrm{10090609}}^1$

素因数の和:10090618

約数の個数: 12

約数和(自身を含む): 423805620

約数和(自身を除く): 221993440

約数列:

[1, 2, 4, 5, 10, 20, 10090609, 20181218, 40362436, 50453045, 100906090, 201812180]

約数ペア:

[(1, 201812180), (2, 100906090), (4, 50453045), (5, 40362436), (10, 20181218), (20, 10090609)]