19227536

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27947}}^1$

素因数の和:27998

約数の個数: 20

約数和(自身を含む): 38121072

約数和(自身を除く): 18893536

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27947, 55894, 111788, 223576, 447152, 1201721, 2403442, 4806884, 9613768, 19227536]

約数ペア:

[(1, 19227536), (2, 9613768), (4, 4806884), (8, 2403442), (16, 1201721), (43, 447152), (86, 223576), (172, 111788), (344, 55894), (688, 27947)]