19301590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3581}}^1$

素因数の和:3613

約数の個数: 48

約数和(自身を含む): 44101584

約数和(自身を除く): 24799994

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3581, 5390, 7162, 17905, 25067, 35810, 39391, 50134, 78782, 125335, 175469, 196955, 250670, 275737, 350938, 393910, 551474, 877345, 1378685, 1754690, 1930159, 2757370, 3860318, 9650795, 19301590]

約数ペア:

[(1, 19301590), (2, 9650795), (5, 3860318), (7, 2757370), (10, 1930159), (11, 1754690), (14, 1378685), (22, 877345), (35, 551474), (49, 393910), (55, 350938), (70, 275737), (77, 250670), (98, 196955), (110, 175469), (154, 125335), (245, 78782), (385, 50134), (490, 39391), (539, 35810), (770, 25067), (1078, 17905), (2695, 7162), (3581, 5390)]