19989235204

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{70384631}}^1$

素因数の和:70384706

約数の個数: 12

約数和(自身を含む): 35473854528

約数和(自身を除く): 15484619324

約数列:

[1, 2, 4, 71, 142, 284, 70384631, 140769262, 281538524, 4997308801, 9994617602, 19989235204]

約数ペア:

[(1, 19989235204), (2, 9994617602), (4, 4997308801), (71, 281538524), (142, 140769262), (284, 70384631)]