18774316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9923}}^1$

素因数の和:9981

約数の個数: 24

約数和(自身を含む): 36679104

約数和(自身を除く): 17904788

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 9923, 19846, 39692, 109153, 218306, 426689, 436612, 853378, 1706756, 4693579, 9387158, 18774316]

約数ペア:

[(1, 18774316), (2, 9387158), (4, 4693579), (11, 1706756), (22, 853378), (43, 436612), (44, 426689), (86, 218306), (172, 109153), (473, 39692), (946, 19846), (1892, 9923)]