18287456

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{4723}}^1$

素因数の和:4755

約数の個数: 36

約数和(自身を含む): 39582396

約数和(自身を除く): 21294940

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 4723, 9446, 18892, 37784, 51953, 75568, 103906, 151136, 207812, 415624, 571483, 831248, 1142966, 1662496, 2285932, 4571864, 9143728, 18287456]

約数ペア:

[(1, 18287456), (2, 9143728), (4, 4571864), (8, 2285932), (11, 1662496), (16, 1142966), (22, 831248), (32, 571483), (44, 415624), (88, 207812), (121, 151136), (176, 103906), (242, 75568), (352, 51953), (484, 37784), (968, 18892), (1936, 9446), (3872, 4723)]