19818386

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6709}}^1$

素因数の和:6929

約数の個数: 16

約数和(自身を含む): 34140480

約数和(自身を除く): 14322094

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6709, 13418, 46963, 93926, 1415599, 2831198, 9909193, 19818386]

約数ペア:

[(1, 19818386), (2, 9909193), (7, 2831198), (14, 1415599), (211, 93926), (422, 46963), (1477, 13418), (2954, 6709)]