2018289998

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{21991}}^1$

素因数の和:22523

約数の個数: 16

約数和(自身を含む): 3062605920

約数和(自身を除く): 1044315922

約数列:

[1, 2, 109, 218, 421, 842, 21991, 43982, 45889, 91778, 2397019, 4794038, 9258211, 18516422, 1009144999, 2018289998]

約数ペア:

[(1, 2018289998), (2, 1009144999), (109, 18516422), (218, 9258211), (421, 4794038), (842, 2397019), (21991, 91778), (43982, 45889)]