15420188

素因数分解:

$2^2\times 7^1\times {\mathrm{550721}}^1$

素因数の和:550732

約数の個数: 12

約数和(自身を含む): 30840432

約数和(自身を除く): 15420244

約数列:

[1, 2, 4, 7, 14, 28, 550721, 1101442, 2202884, 3855047, 7710094, 15420188]

約数ペア:

[(1, 15420188), (2, 7710094), (4, 3855047), (7, 2202884), (14, 1101442), (28, 550721)]