19005267393

素因数分解:

$3^2\times 7^1\times {\mathrm{301670911}}^1$

素因数の和:301670924

約数の個数: 12

約数和(自身を含む): 31373774848

約数和(自身を除く): 12368507455

約数列:

[1, 3, 7, 9, 21, 63, 301670911, 905012733, 2111696377, 2715038199, 6335089131, 19005267393]

約数ペア:

[(1, 19005267393), (3, 6335089131), (7, 2715038199), (9, 2111696377), (21, 905012733), (63, 301670911)]