19937952009

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{18169}}^1$

素因数の和:18694

約数の個数: 32

約数和(自身を含む): 29915088000

約数和(自身を除く): 9977135991

約数列:

[1, 3, 9, 27, 97, 291, 419, 873, 1257, 2619, 3771, 11313, 18169, 40643, 54507, 121929, 163521, 365787, 490563, 1097361, 1762393, 5287179, 7612811, 15861537, 22838433, 47584611, 68515299, 205545897, 738442667, 2215328001, 6645984003, 19937952009]

約数ペア:

[(1, 19937952009), (3, 6645984003), (9, 2215328001), (27, 738442667), (97, 205545897), (291, 68515299), (419, 47584611), (873, 22838433), (1257, 15861537), (2619, 7612811), (3771, 5287179), (11313, 1762393), (18169, 1097361), (40643, 490563), (54507, 365787), (121929, 163521)]