19995044

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{121921}}^1$

素因数の和:121966

約数の個数: 12

約数和(自身を含む): 35845068

約数和(自身を除く): 15850024

約数列:

[1, 2, 4, 41, 82, 164, 121921, 243842, 487684, 4998761, 9997522, 19995044]

約数ペア:

[(1, 19995044), (2, 9997522), (4, 4998761), (41, 487684), (82, 243842), (164, 121921)]