19489459969

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{2990557}}^1$

素因数の和:2990597

約数の個数: 16

約数和(自身を含む): 23924464000

約数和(自身を除く): 4435004031

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 2990557, 20933899, 56820583, 146537293, 397744081, 1025761051, 2784208567, 19489459969]

約数ペア:

[(1, 19489459969), (7, 2784208567), (19, 1025761051), (49, 397744081), (133, 146537293), (343, 56820583), (931, 20933899), (6517, 2990557)]