19104964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{67271}}^1$

素因数の和:67346

約数の個数: 12

約数和(自身を含む): 33905088

約数和(自身を除く): 14800124

約数列:

[1, 2, 4, 71, 142, 284, 67271, 134542, 269084, 4776241, 9552482, 19104964]

約数ペア:

[(1, 19104964), (2, 9552482), (4, 4776241), (71, 269084), (142, 134542), (284, 67271)]