18426289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 22125312

約数和(自身を除く): 3699023

約数列:

[1, 7, 23, 161, 193, 593, 1351, 4151, 4439, 13639, 31073, 95473, 114449, 801143, 2632327, 18426289]

約数ペア:

[(1, 18426289), (7, 2632327), (23, 801143), (161, 114449), (193, 95473), (593, 31073), (1351, 13639), (4151, 4439)]