2018320180

素因数分解:

$2^2\times 5^1\times {\mathrm{100916009}}^1$

素因数の和:100916018

約数の個数: 12

約数和(自身を含む): 4238472420

約数和(自身を除く): 2220152240

約数列:

[1, 2, 4, 5, 10, 20, 100916009, 201832018, 403664036, 504580045, 1009160090, 2018320180]

約数ペア:

[(1, 2018320180), (2, 1009160090), (4, 504580045), (5, 403664036), (10, 201832018), (20, 100916009)]