19103804920

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{709651}}^1$

素因数の和:710335

約数の個数: 32

約数和(自身を含む): 43047490320

約数和(自身を除く): 23943685400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 13460, 26920, 709651, 1419302, 2838604, 3548255, 5677208, 7096510, 14193020, 28386040, 477595123, 955190246, 1910380492, 2387975615, 3820760984, 4775951230, 9551902460, 19103804920]

約数ペア:

[(1, 19103804920), (2, 9551902460), (4, 4775951230), (5, 3820760984), (8, 2387975615), (10, 1910380492), (20, 955190246), (40, 477595123), (673, 28386040), (1346, 14193020), (2692, 7096510), (3365, 5677208), (5384, 3548255), (6730, 2838604), (13460, 1419302), (26920, 709651)]