19437812

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{68443}}^1$

素因数の和:68518

約数の個数: 12

約数和(自身を含む): 34495776

約数和(自身を除く): 15057964

約数列:

[1, 2, 4, 71, 142, 284, 68443, 136886, 273772, 4859453, 9718906, 19437812]

約数ペア:

[(1, 19437812), (2, 9718906), (4, 4859453), (71, 273772), (142, 136886), (284, 68443)]