18897296

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:300

約数の個数: 60

約数和(自身を含む): 41361936

約数和(自身を除く): 22464640

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 121, 172, 176, 227, 242, 344, 454, 473, 484, 688, 908, 946, 968, 1816, 1892, 1936, 2497, 3632, 3784, 4994, 5203, 7568, 9761, 9988, 10406, 19522, 19976, 20812, 27467, 39044, 39952, 41624, 54934, 78088, 83248, 107371, 109868, 156176, 214742, 219736, 429484, 439472, 858968, 1181081, 1717936, 2362162, 4724324, 9448648, 18897296]

約数ペア:

[(1, 18897296), (2, 9448648), (4, 4724324), (8, 2362162), (11, 1717936), (16, 1181081), (22, 858968), (43, 439472), (44, 429484), (86, 219736), (88, 214742), (121, 156176), (172, 109868), (176, 107371), (227, 83248), (242, 78088), (344, 54934), (454, 41624), (473, 39952), (484, 39044), (688, 27467), (908, 20812), (946, 19976), (968, 19522), (1816, 10406), (1892, 9988), (1936, 9761), (2497, 7568), (3632, 5203), (3784, 4994)]