19058288

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27701}}^1$

素因数の和:27752

約数の個数: 20

約数和(自身を含む): 37785528

約数和(自身を除く): 18727240

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27701, 55402, 110804, 221608, 443216, 1191143, 2382286, 4764572, 9529144, 19058288]

約数ペア:

[(1, 19058288), (2, 9529144), (4, 4764572), (8, 2382286), (16, 1191143), (43, 443216), (86, 221608), (172, 110804), (344, 55402), (688, 27701)]