19452976

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9281}}^1$

素因数の和:9420

約数の個数: 20

約数和(自身を含む): 37981944

約数和(自身を除く): 18528968

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9281, 18562, 37124, 74248, 148496, 1215811, 2431622, 4863244, 9726488, 19452976]

約数ペア:

[(1, 19452976), (2, 9726488), (4, 4863244), (8, 2431622), (16, 1215811), (131, 148496), (262, 74248), (524, 37124), (1048, 18562), (2096, 9281)]