18908884

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 34496000

約数和(自身を除く): 15587116

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 1399, 2798, 3379, 5596, 6758, 13516, 43369, 86738, 152491, 173476, 304982, 609964, 4727221, 9454442, 18908884]

約数ペア:

[(1, 18908884), (2, 9454442), (4, 4727221), (31, 609964), (62, 304982), (109, 173476), (124, 152491), (218, 86738), (436, 43369), (1399, 13516), (2798, 6758), (3379, 5596)]