18882994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{2081}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 30605400

約数和(自身を除く): 11722406

約数列:

[1, 2, 13, 26, 349, 698, 2081, 4162, 4537, 9074, 27053, 54106, 726269, 1452538, 9441497, 18882994]

約数ペア:

[(1, 18882994), (2, 9441497), (13, 1452538), (26, 726269), (349, 54106), (698, 27053), (2081, 9074), (4162, 4537)]