2018987943

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1576103}}^1$

素因数の和:1576174

約数の個数: 16

約数和(自身を含む): 3126990336

約数和(自身を除く): 1108002393

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1576103, 4728309, 11032721, 33098163, 96142283, 288426849, 672995981, 2018987943]

約数ペア:

[(1, 2018987943), (3, 672995981), (7, 288426849), (21, 96142283), (61, 33098163), (183, 11032721), (427, 4728309), (1281, 1576103)]