18600424

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 36036000

約数和(自身を除く): 17435576

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 389, 556, 778, 1112, 1556, 3112, 5977, 11954, 16727, 23908, 33454, 47816, 54071, 66908, 108142, 133816, 216284, 432568, 2325053, 4650106, 9300212, 18600424]

約数ペア:

[(1, 18600424), (2, 9300212), (4, 4650106), (8, 2325053), (43, 432568), (86, 216284), (139, 133816), (172, 108142), (278, 66908), (344, 54071), (389, 47816), (556, 33454), (778, 23908), (1112, 16727), (1556, 11954), (3112, 5977)]