17943728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2371}}^1$

素因数の和:2433

約数の個数: 40

約数和(自身を含む): 38824896

約数和(自身を除く): 20881168

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2371, 3784, 4742, 7568, 9484, 18968, 26081, 37936, 52162, 101953, 104324, 203906, 208648, 407812, 417296, 815624, 1121483, 1631248, 2242966, 4485932, 8971864, 17943728]

約数ペア:

[(1, 17943728), (2, 8971864), (4, 4485932), (8, 2242966), (11, 1631248), (16, 1121483), (22, 815624), (43, 417296), (44, 407812), (86, 208648), (88, 203906), (172, 104324), (176, 101953), (344, 52162), (473, 37936), (688, 26081), (946, 18968), (1892, 9484), (2371, 7568), (3784, 4742)]