19002740

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1951}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 40008192

約数和(自身を除く): 21005452

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 1951, 2435, 3902, 4870, 7804, 9740, 9755, 19510, 39020, 950137, 1900274, 3800548, 4750685, 9501370, 19002740]

約数ペア:

[(1, 19002740), (2, 9501370), (4, 4750685), (5, 3800548), (10, 1900274), (20, 950137), (487, 39020), (974, 19510), (1948, 9755), (1951, 9740), (2435, 7804), (3902, 4870)]