19142291

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 24282000

約数和(自身を除く): 5139709

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 709, 931, 1421, 3857, 4963, 13471, 20561, 26999, 34741, 94297, 143927, 390659, 660079, 1007489, 2734613, 19142291]

約数ペア:

[(1, 19142291), (7, 2734613), (19, 1007489), (29, 660079), (49, 390659), (133, 143927), (203, 94297), (551, 34741), (709, 26999), (931, 20561), (1421, 13471), (3857, 4963)]