19819376

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53857}}^1$

素因数の和:53888

約数の個数: 20

約数和(自身を含む): 40070352

約数和(自身を除く): 20250976

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53857, 107714, 215428, 430856, 861712, 1238711, 2477422, 4954844, 9909688, 19819376]

約数ペア:

[(1, 19819376), (2, 9909688), (4, 4954844), (8, 2477422), (16, 1238711), (23, 861712), (46, 430856), (92, 215428), (184, 107714), (368, 53857)]