2019238460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{999623}}^1$

素因数の和:999733

約数の個数: 24

約数和(自身を含む): 4282389216

約数和(自身を除く): 2263150756

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 999623, 1999246, 3998492, 4998115, 9996230, 19992460, 100961923, 201923846, 403847692, 504809615, 1009619230, 2019238460]

約数ペア:

[(1, 2019238460), (2, 1009619230), (4, 504809615), (5, 403847692), (10, 201923846), (20, 100961923), (101, 19992460), (202, 9996230), (404, 4998115), (505, 3998492), (1010, 1999246), (2020, 999623)]