2021982185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{206641}}^1$

素因数の和:206768

約数の個数: 16

約数和(自身を含む): 2578892160

約数和(自身を除く): 556909975

約数列:

[1, 5, 19, 95, 103, 515, 1957, 9785, 206641, 1033205, 3926179, 19630895, 21284023, 106420115, 404396437, 2021982185]

約数ペア:

[(1, 2021982185), (5, 404396437), (19, 106420115), (95, 21284023), (103, 19630895), (515, 3926179), (1957, 1033205), (9785, 206641)]