2018221877

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{25667}}^1$

素因数の和:25960

約数の個数: 16

約数和(自身を含む): 2365562880

約数和(自身を除く): 347341003

約数列:

[1, 7, 47, 239, 329, 1673, 11233, 25667, 78631, 179669, 1206349, 6134413, 8444443, 42940891, 288317411, 2018221877]

約数ペア:

[(1, 2018221877), (7, 288317411), (47, 42940891), (239, 8444443), (329, 6134413), (1673, 1206349), (11233, 179669), (25667, 78631)]