18393020

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{3947}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 38800944

約数和(自身を除く): 20407924

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 3947, 4660, 7894, 15788, 19735, 39470, 78940, 919651, 1839302, 3678604, 4598255, 9196510, 18393020]

約数ペア:

[(1, 18393020), (2, 9196510), (4, 4598255), (5, 3678604), (10, 1839302), (20, 919651), (233, 78940), (466, 39470), (932, 19735), (1165, 15788), (2330, 7894), (3947, 4660)]