19003818393

素因数分解:

$3^2\times 7^1\times {\mathrm{301647911}}^1$

素因数の和:301647924

約数の個数: 12

約数和(自身を含む): 31371382848

約数和(自身を除く): 12367564455

約数列:

[1, 3, 7, 9, 21, 63, 301647911, 904943733, 2111535377, 2714831199, 6334606131, 19003818393]

約数ペア:

[(1, 19003818393), (3, 6334606131), (7, 2714831199), (9, 2111535377), (21, 904943733), (63, 301647911)]