2018981878

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 3114333216

約数和(自身を除く): 1095351338

約数列:

[1, 2, 73, 137, 146, 193, 274, 386, 523, 1046, 10001, 14089, 20002, 26441, 28178, 38179, 52882, 71651, 76358, 100939, 143302, 201878, 1930193, 3860386, 5230523, 7368547, 10461046, 13828643, 14737094, 27657286, 1009490939, 2018981878]

約数ペア:

[(1, 2018981878), (2, 1009490939), (73, 27657286), (137, 14737094), (146, 13828643), (193, 10461046), (274, 7368547), (386, 5230523), (523, 3860386), (1046, 1930193), (10001, 201878), (14089, 143302), (20002, 100939), (26441, 76358), (28178, 71651), (38179, 52882)]