19681780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26597}}^1$

素因数の和:26643

約数の個数: 24

約数和(自身を含む): 42450408

約数和(自身を除く): 22768628

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26597, 53194, 106388, 132985, 265970, 531940, 984089, 1968178, 3936356, 4920445, 9840890, 19681780]

約数ペア:

[(1, 19681780), (2, 9840890), (4, 4920445), (5, 3936356), (10, 1968178), (20, 984089), (37, 531940), (74, 265970), (148, 132985), (185, 106388), (370, 53194), (740, 26597)]