19885514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 34637760

約数和(自身を除く): 14752246

約数列:

[1, 2, 11, 19, 22, 38, 113, 209, 226, 418, 421, 842, 1243, 2147, 2486, 4294, 4631, 7999, 9262, 15998, 23617, 47234, 47573, 87989, 95146, 175978, 523303, 903887, 1046606, 1807774, 9942757, 19885514]

約数ペア:

[(1, 19885514), (2, 9942757), (11, 1807774), (19, 1046606), (22, 903887), (38, 523303), (113, 175978), (209, 95146), (226, 87989), (418, 47573), (421, 47234), (842, 23617), (1243, 15998), (2147, 9262), (2486, 7999), (4294, 4631)]