18164937

素因数分解:

$3^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 28672000

約数和(自身を除く): 10507063

約数列:

[1, 3, 7, 21, 49, 127, 139, 147, 343, 381, 417, 889, 973, 1029, 2667, 2919, 6223, 6811, 17653, 18669, 20433, 43561, 47677, 52959, 123571, 130683, 143031, 370713, 864997, 2594991, 6054979, 18164937]

約数ペア:

[(1, 18164937), (3, 6054979), (7, 2594991), (21, 864997), (49, 370713), (127, 143031), (139, 130683), (147, 123571), (343, 52959), (381, 47677), (417, 43561), (889, 20433), (973, 18669), (1029, 17653), (2667, 6811), (2919, 6223)]