18028850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{51511}}^1$

素因数の和:51530

約数の個数: 24

約数和(自身を含む): 38324928

約数和(自身を除く): 20296078

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 51511, 103022, 257555, 360577, 515110, 721154, 1287775, 1802885, 2575550, 3605770, 9014425, 18028850]

約数ペア:

[(1, 18028850), (2, 9014425), (5, 3605770), (7, 2575550), (10, 1802885), (14, 1287775), (25, 721154), (35, 515110), (50, 360577), (70, 257555), (175, 103022), (350, 51511)]