19120442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12241}}^1$

素因数の和:12325

約数の個数: 16

約数和(自身を含む): 31731264

約数和(自身を除く): 12610822

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12241, 24482, 134651, 269302, 869111, 1738222, 9560221, 19120442]

約数ペア:

[(1, 19120442), (2, 9560221), (11, 1738222), (22, 869111), (71, 269302), (142, 134651), (781, 24482), (1562, 12241)]