19662993

素因数分解:

$3^4\times 7^1\times {\mathrm{34679}}^1$

素因数の和:34698

約数の個数: 20

約数和(自身を含む): 33570240

約数和(自身を除く): 13907247

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34679, 104037, 242753, 312111, 728259, 936333, 2184777, 2808999, 6554331, 19662993]

約数ペア:

[(1, 19662993), (3, 6554331), (7, 2808999), (9, 2184777), (21, 936333), (27, 728259), (63, 312111), (81, 242753), (189, 104037), (567, 34679)]