18428589

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 28035072

約数和(自身を除く): 9606483

約数列:

[1, 3, 9, 23, 69, 127, 207, 381, 701, 1143, 2103, 2921, 6309, 8763, 16123, 26289, 48369, 89027, 145107, 267081, 801243, 2047621, 6142863, 18428589]

約数ペア:

[(1, 18428589), (3, 6142863), (9, 2047621), (23, 801243), (69, 267081), (127, 145107), (207, 89027), (381, 48369), (701, 26289), (1143, 16123), (2103, 8763), (2921, 6309)]