13019587

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 15644160

約数和(自身を除く): 2624573

約数列:

[1, 7, 23, 161, 193, 419, 1351, 2933, 4439, 9637, 31073, 67459, 80867, 566069, 1859941, 13019587]

約数ペア:

[(1, 13019587), (7, 1859941), (23, 566069), (161, 80867), (193, 67459), (419, 31073), (1351, 9637), (2933, 4439)]