19990299

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50101}}^1$

素因数の和:50130

約数の個数: 16

約数和(自身を含む): 32065280

約数和(自身を除く): 12074981

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50101, 150303, 350707, 951919, 1052121, 2855757, 6663433, 19990299]

約数ペア:

[(1, 19990299), (3, 6663433), (7, 2855757), (19, 1052121), (21, 951919), (57, 350707), (133, 150303), (399, 50101)]