18291856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2479

約数の個数: 40

約数和(自身を含む): 39577824

約数和(自身を除く): 21285968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2417, 3784, 4834, 7568, 9668, 19336, 26587, 38672, 53174, 103931, 106348, 207862, 212696, 415724, 425392, 831448, 1143241, 1662896, 2286482, 4572964, 9145928, 18291856]

約数ペア:

[(1, 18291856), (2, 9145928), (4, 4572964), (8, 2286482), (11, 1662896), (16, 1143241), (22, 831448), (43, 425392), (44, 415724), (86, 212696), (88, 207862), (172, 106348), (176, 103931), (344, 53174), (473, 38672), (688, 26587), (946, 19336), (1892, 9668), (2417, 7568), (3784, 4834)]