18761872

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4327}}^1$

素因数の和:4606

約数の個数: 20

約数和(自身を含む): 36493696

約数和(自身を除く): 17731824

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4327, 4336, 8654, 17308, 34616, 69232, 1172617, 2345234, 4690468, 9380936, 18761872]

約数ペア:

[(1, 18761872), (2, 9380936), (4, 4690468), (8, 2345234), (16, 1172617), (271, 69232), (542, 34616), (1084, 17308), (2168, 8654), (4327, 4336)]