2018974180

素因数分解:

$2^2\times 5^1\times {\mathrm{100948709}}^1$

素因数の和:100948718

約数の個数: 12

約数和(自身を含む): 4239845820

約数和(自身を除く): 2220871640

約数列:

[1, 2, 4, 5, 10, 20, 100948709, 201897418, 403794836, 504743545, 1009487090, 2018974180]

約数ペア:

[(1, 2018974180), (2, 1009487090), (4, 504743545), (5, 403794836), (10, 201897418), (20, 100948709)]