19995093

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8006

約数の個数: 20

約数和(自身を含む): 30836608

約数和(自身を除く): 10841515

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7963, 23889, 71667, 215001, 246853, 645003, 740559, 2221677, 6665031, 19995093]

約数ペア:

[(1, 19995093), (3, 6665031), (9, 2221677), (27, 740559), (31, 645003), (81, 246853), (93, 215001), (279, 71667), (837, 23889), (2511, 7963)]