2019911299

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{489913}}^1$

素因数の和:489970

約数の個数: 16

約数和(自身を含む): 2508359680

約数和(自身を除く): 488448381

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 489913, 3429391, 9308347, 15187303, 65158429, 106311121, 288558757, 2019911299]

約数ペア:

[(1, 2019911299), (7, 288558757), (19, 106311121), (31, 65158429), (133, 15187303), (217, 9308347), (589, 3429391), (4123, 489913)]