2019091004

素因数分解:

$2^2\times 7^1\times {\mathrm{72110393}}^1$

素因数の和:72110404

約数の個数: 12

約数和(自身を含む): 4038182064

約数和(自身を除く): 2019091060

約数列:

[1, 2, 4, 7, 14, 28, 72110393, 144220786, 288441572, 504772751, 1009545502, 2019091004]

約数ペア:

[(1, 2019091004), (2, 1009545502), (4, 504772751), (7, 288441572), (14, 144220786), (28, 72110393)]