18990391679

素因数分解:

$7^1\times {\mathrm{6037}}^1\times {\mathrm{449381}}^1$

素因数の和:455425

約数の個数: 8

約数和(自身を含む): 21706948128

約数和(自身を除く): 2716556449

約数列:

[1, 7, 6037, 42259, 449381, 3145667, 2712913097, 18990391679]

約数ペア:

[(1, 18990391679), (7, 2712913097), (6037, 3145667), (42259, 449381)]