18400784

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{8779}}^1$

素因数の和:8918

約数の個数: 20

約数和(自身を含む): 35927760

約数和(自身を除く): 17526976

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 8779, 17558, 35116, 70232, 140464, 1150049, 2300098, 4600196, 9200392, 18400784]

約数ペア:

[(1, 18400784), (2, 9200392), (4, 4600196), (8, 2300098), (16, 1150049), (131, 140464), (262, 70232), (524, 35116), (1048, 17558), (2096, 8779)]