19892272

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6311}}^1$

素因数の和:6516

約数の個数: 20

約数和(自身を含む): 38743056

約数和(自身を除く): 18850784

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6311, 12622, 25244, 50488, 100976, 1243267, 2486534, 4973068, 9946136, 19892272]

約数ペア:

[(1, 19892272), (2, 9946136), (4, 4973068), (8, 2486534), (16, 1243267), (197, 100976), (394, 50488), (788, 25244), (1576, 12622), (3152, 6311)]