19528032321

素因数分解:

$3^2\times 7^1\times {\mathrm{309968767}}^1$

素因数の和:309968780

約数の個数: 12

約数和(自身を含む): 32236751872

約数和(自身を除く): 12708719551

約数列:

[1, 3, 7, 9, 21, 63, 309968767, 929906301, 2169781369, 2789718903, 6509344107, 19528032321]

約数ペア:

[(1, 19528032321), (3, 6509344107), (7, 2789718903), (9, 2169781369), (21, 929906301), (63, 309968767)]