19163972

素因数分解:

$2^2\times {\mathrm{643}}^1\times {\mathrm{7451}}^1$

素因数の和:8098

約数の個数: 12

約数和(自身を含む): 33593616

約数和(自身を除く): 14429644

約数列:

[1, 2, 4, 643, 1286, 2572, 7451, 14902, 29804, 4790993, 9581986, 19163972]

約数ペア:

[(1, 19163972), (2, 9581986), (4, 4790993), (643, 29804), (1286, 14902), (2572, 7451)]