19918692

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5171}}^1$

素因数の和:5288

約数の個数: 36

約数和(自身を含む): 50830416

約数和(自身を除く): 30911724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5171, 10342, 15513, 20684, 31026, 46539, 62052, 93078, 186156, 553297, 1106594, 1659891, 2213188, 3319782, 4979673, 6639564, 9959346, 19918692]

約数ペア:

[(1, 19918692), (2, 9959346), (3, 6639564), (4, 4979673), (6, 3319782), (9, 2213188), (12, 1659891), (18, 1106594), (36, 553297), (107, 186156), (214, 93078), (321, 62052), (428, 46539), (642, 31026), (963, 20684), (1284, 15513), (1926, 10342), (3852, 5171)]