19870295764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{451597631}}^1$

素因数の和:451597646

約数の個数: 12

約数和(自身を含む): 37934201088

約数和(自身を除く): 18063905324

約数列:

[1, 2, 4, 11, 22, 44, 451597631, 903195262, 1806390524, 4967573941, 9935147882, 19870295764]

約数ペア:

[(1, 19870295764), (2, 9935147882), (4, 4967573941), (11, 1806390524), (22, 903195262), (44, 451597631)]