19870293652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{451597583}}^1$

素因数の和:451597598

約数の個数: 12

約数和(自身を含む): 37934197056

約数和(自身を除く): 18063903404

約数列:

[1, 2, 4, 11, 22, 44, 451597583, 903195166, 1806390332, 4967573413, 9935146826, 19870293652]

約数ペア:

[(1, 19870293652), (2, 9935146826), (4, 4967573413), (11, 1806390332), (22, 903195166), (44, 451597583)]