18236812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4657}}^1$

素因数の和:4761

約数の個数: 24

約数和(自身を含む): 35214480

約数和(自身を除く): 16977668

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 4657, 9314, 18628, 51227, 102454, 204908, 414473, 828946, 1657892, 4559203, 9118406, 18236812]

約数ペア:

[(1, 18236812), (2, 9118406), (4, 4559203), (11, 1657892), (22, 828946), (44, 414473), (89, 204908), (178, 102454), (356, 51227), (979, 18628), (1958, 9314), (3916, 4657)]