19231681

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 3347519

約数列:

[1, 7, 79, 83, 419, 553, 581, 2933, 6557, 33101, 34777, 45899, 231707, 243439, 2747383, 19231681]

約数ペア:

[(1, 19231681), (7, 2747383), (79, 243439), (83, 231707), (419, 45899), (553, 34777), (581, 33101), (2933, 6557)]