19182023

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 23010816

約数和(自身を除く): 3828793

約数列:

[1, 7, 23, 161, 283, 421, 1981, 2947, 6509, 9683, 45563, 67781, 119143, 834001, 2740289, 19182023]

約数ペア:

[(1, 19182023), (7, 2740289), (23, 834001), (161, 119143), (283, 67781), (421, 45563), (1981, 9683), (2947, 6509)]