2019913119

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{53171}}^1$

素因数の和:53257

約数の個数: 40

約数和(自身を含む): 3499993728

約数和(自身を除く): 1480080609

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 1407, 1809, 4221, 5427, 12663, 37989, 53171, 159513, 372197, 478539, 1116591, 1435617, 3349773, 3562457, 4306851, 10049319, 10687371, 24937199, 30147957, 32062113, 74811597, 96186339, 224434791, 288559017, 673304373, 2019913119]

約数ペア:

[(1, 2019913119), (3, 673304373), (7, 288559017), (9, 224434791), (21, 96186339), (27, 74811597), (63, 32062113), (67, 30147957), (81, 24937199), (189, 10687371), (201, 10049319), (469, 4306851), (567, 3562457), (603, 3349773), (1407, 1435617), (1809, 1116591), (4221, 478539), (5427, 372197), (12663, 159513), (37989, 53171)]