18686212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2011}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 34477632

約数和(自身を除く): 15791420

約数列:

[1, 2, 4, 23, 46, 92, 101, 202, 404, 2011, 2323, 4022, 4646, 8044, 9292, 46253, 92506, 185012, 203111, 406222, 812444, 4671553, 9343106, 18686212]

約数ペア:

[(1, 18686212), (2, 9343106), (4, 4671553), (23, 812444), (46, 406222), (92, 203111), (101, 185012), (202, 92506), (404, 46253), (2011, 9292), (2323, 8044), (4022, 4646)]