19781946

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{10271}}^1$

素因数の和:10386

約数の個数: 24

約数和(自身を含む): 43265664

約数和(自身を除く): 23483718

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 10271, 20542, 30813, 61626, 92439, 184878, 1098997, 2197994, 3296991, 6593982, 9890973, 19781946]

約数ペア:

[(1, 19781946), (2, 9890973), (3, 6593982), (6, 3296991), (9, 2197994), (18, 1098997), (107, 184878), (214, 92439), (321, 61626), (642, 30813), (963, 20542), (1926, 10271)]