19487003

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 21245952

約数和(自身を除く): 1758949

約数列:

[1, 23, 31, 151, 181, 713, 3473, 4163, 4681, 5611, 27331, 107663, 129053, 628613, 847261, 19487003]

約数ペア:

[(1, 19487003), (23, 847261), (31, 628613), (151, 129053), (181, 107663), (713, 27331), (3473, 5611), (4163, 4681)]