18549808

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2143}}^1$

素因数の和:2692

約数の個数: 20

約数和(自身を含む): 36023488

約数和(自身を除く): 17473680

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2143, 2164, 4286, 4328, 8572, 8656, 17144, 34288, 1159363, 2318726, 4637452, 9274904, 18549808]

約数ペア:

[(1, 18549808), (2, 9274904), (4, 4637452), (8, 2318726), (16, 1159363), (541, 34288), (1082, 17144), (2143, 8656), (2164, 8572), (4286, 4328)]