18779293

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 21280896

約数和(自身を除く): 2501603

約数列:

[1, 13, 23, 181, 299, 347, 2353, 4163, 4511, 7981, 54119, 62807, 103753, 816491, 1444561, 18779293]

約数ペア:

[(1, 18779293), (13, 1444561), (23, 816491), (181, 103753), (299, 62807), (347, 54119), (2353, 7981), (4163, 4511)]