19875394

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{129061}}^1$

素因数の和:129081

約数の個数: 16

約数和(自身を含む): 37169856

約数和(自身を除く): 17294462

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 129061, 258122, 903427, 1419671, 1806854, 2839342, 9937697, 19875394]

約数ペア:

[(1, 19875394), (2, 9937697), (7, 2839342), (11, 1806854), (14, 1419671), (22, 903427), (77, 258122), (154, 129061)]