18846837

素因数分解:

$3^6\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:372

約数の個数: 28

約数和(自身を含む): 28645344

約数和(自身を除く): 9798507

約数列:

[1, 3, 9, 27, 81, 103, 243, 251, 309, 729, 753, 927, 2259, 2781, 6777, 8343, 20331, 25029, 25853, 60993, 75087, 77559, 182979, 232677, 698031, 2094093, 6282279, 18846837]

約数ペア:

[(1, 18846837), (3, 6282279), (9, 2094093), (27, 698031), (81, 232677), (103, 182979), (243, 77559), (251, 75087), (309, 60993), (729, 25853), (753, 25029), (927, 20331), (2259, 8343), (2781, 6777)]