19055536

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27697}}^1$

素因数の和:27748

約数の個数: 20

約数和(自身を含む): 37780072

約数和(自身を除く): 18724536

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27697, 55394, 110788, 221576, 443152, 1190971, 2381942, 4763884, 9527768, 19055536]

約数ペア:

[(1, 19055536), (2, 9527768), (4, 4763884), (8, 2381942), (16, 1190971), (43, 443152), (86, 221576), (172, 110788), (344, 55394), (688, 27697)]