19485818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{1913}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 31971456

約数和(自身を除く): 12485638

約数列:

[1, 2, 11, 22, 463, 926, 1913, 3826, 5093, 10186, 21043, 42086, 885719, 1771438, 9742909, 19485818]

約数ペア:

[(1, 19485818), (2, 9742909), (11, 1771438), (22, 885719), (463, 42086), (926, 21043), (1913, 10186), (3826, 5093)]