18744856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{180239}}^1$

素因数の和:180258

約数の個数: 16

約数和(自身を含む): 37850400

約数和(自身を除く): 19105544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 180239, 360478, 720956, 1441912, 2343107, 4686214, 9372428, 18744856]

約数ペア:

[(1, 18744856), (2, 9372428), (4, 4686214), (8, 2343107), (13, 1441912), (26, 720956), (52, 360478), (104, 180239)]