19665796

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 35766360

約数和(自身を除く): 16100564

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 1493, 2986, 3293, 5972, 6586, 13172, 55241, 110482, 132877, 220964, 265754, 531508, 4916449, 9832898, 19665796]

約数ペア:

[(1, 19665796), (2, 9832898), (4, 4916449), (37, 531508), (74, 265754), (89, 220964), (148, 132877), (178, 110482), (356, 55241), (1493, 13172), (2986, 6586), (3293, 5972)]