19580967

素因数分解:

$3^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 33359360

約数和(自身を除く): 13778393

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 313, 331, 939, 993, 2191, 2317, 2817, 2979, 6573, 6951, 8451, 8937, 19719, 20853, 59157, 62559, 103603, 310809, 725221, 932427, 2175663, 2797281, 6526989, 19580967]

約数ペア:

[(1, 19580967), (3, 6526989), (7, 2797281), (9, 2175663), (21, 932427), (27, 725221), (63, 310809), (189, 103603), (313, 62559), (331, 59157), (939, 20853), (993, 19719), (2191, 8937), (2317, 8451), (2817, 6951), (2979, 6573)]