19607203

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3307}}^1$

素因数の和:3343

約数の個数: 18

約数和(自身を含む): 25077948

約数和(自身を除く): 5470745

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 3307, 5929, 23149, 36377, 162043, 254639, 400147, 1782473, 2801029, 19607203]

約数ペア:

[(1, 19607203), (7, 2801029), (11, 1782473), (49, 400147), (77, 254639), (121, 162043), (539, 36377), (847, 23149), (3307, 5929)]