18293950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4111}}^1$

素因数の和:4212

約数の個数: 24

約数和(自身を含む): 34417440

約数和(自身を除く): 16123490

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4111, 4450, 8222, 20555, 41110, 102775, 205550, 365879, 731758, 1829395, 3658790, 9146975, 18293950]

約数ペア:

[(1, 18293950), (2, 9146975), (5, 3658790), (10, 1829395), (25, 731758), (50, 365879), (89, 205550), (178, 102775), (445, 41110), (890, 20555), (2225, 8222), (4111, 4450)]