18820753060

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1885847}}^1$

素因数の和:1886355

約数の個数: 24

約数和(自身を含む): 39602808000

約数和(自身を除く): 20782054940

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 1885847, 3771694, 7543388, 9429235, 18858470, 37716940, 941037653, 1882075306, 3764150612, 4705188265, 9410376530, 18820753060]

約数ペア:

[(1, 18820753060), (2, 9410376530), (4, 4705188265), (5, 3764150612), (10, 1882075306), (20, 941037653), (499, 37716940), (998, 18858470), (1996, 9429235), (2495, 7543388), (4990, 3771694), (9980, 1885847)]