19955210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4903}}^1$

素因数の和:4958

約数の個数: 32

約数和(自身を含む): 40252032

約数和(自身を除く): 20296822

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4903, 9806, 24515, 49030, 53933, 107866, 181411, 269665, 362822, 539330, 907055, 1814110, 1995521, 3991042, 9977605, 19955210]

約数ペア:

[(1, 19955210), (2, 9977605), (5, 3991042), (10, 1995521), (11, 1814110), (22, 907055), (37, 539330), (55, 362822), (74, 269665), (110, 181411), (185, 107866), (370, 53933), (407, 49030), (814, 24515), (2035, 9806), (4070, 4903)]