19880458820

素因数分解:

$2^2\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{587137}}^1$

素因数の和:588839

約数の個数: 24

約数和(自身を含む): 41773694424

約数和(自身を除く): 21893235604

約数列:

[1, 2, 4, 5, 10, 20, 1693, 3386, 6772, 8465, 16930, 33860, 587137, 1174274, 2348548, 2935685, 5871370, 11742740, 994022941, 1988045882, 3976091764, 4970114705, 9940229410, 19880458820]

約数ペア:

[(1, 19880458820), (2, 9940229410), (4, 4970114705), (5, 3976091764), (10, 1988045882), (20, 994022941), (1693, 11742740), (3386, 5871370), (6772, 2935685), (8465, 2348548), (16930, 1174274), (33860, 587137)]