18789027826

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{1721}}^1\times {\mathrm{20143}}^1$

素因数の和:22137

約数の個数: 16

約数和(自身を含む): 28305381888

約数和(自身を除く): 9516354062

約数列:

[1, 2, 271, 542, 1721, 3442, 20143, 40286, 466391, 932782, 5458753, 10917506, 34666103, 69332206, 9394513913, 18789027826]

約数ペア:

[(1, 18789027826), (2, 9394513913), (271, 69332206), (542, 34666103), (1721, 10917506), (3442, 5458753), (20143, 932782), (40286, 466391)]