19389676

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{66403}}^1$

素因数の和:66480

約数の個数: 12

約数和(自身を含む): 34397272

約数和(自身を除く): 15007596

約数列:

[1, 2, 4, 73, 146, 292, 66403, 132806, 265612, 4847419, 9694838, 19389676]

約数ペア:

[(1, 19389676), (2, 9694838), (4, 4847419), (73, 265612), (146, 132806), (292, 66403)]