19309268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{438847}}^1$

素因数の和:438862

約数の個数: 12

約数和(自身を含む): 36863232

約数和(自身を除く): 17553964

約数列:

[1, 2, 4, 11, 22, 44, 438847, 877694, 1755388, 4827317, 9654634, 19309268]

約数ペア:

[(1, 19309268), (2, 9654634), (4, 4827317), (11, 1755388), (22, 877694), (44, 438847)]