15389872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{22369}}^1$

素因数の和:22420

約数の個数: 20

約数和(自身を含む): 30512680

約数和(自身を除く): 15122808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 22369, 44738, 89476, 178952, 357904, 961867, 1923734, 3847468, 7694936, 15389872]

約数ペア:

[(1, 15389872), (2, 7694936), (4, 3847468), (8, 1923734), (16, 961867), (43, 357904), (86, 178952), (172, 89476), (344, 44738), (688, 22369)]