18117232

素因数分解:

$2^4\times 7^1\times {\mathrm{161761}}^1$

素因数の和:161776

約数の個数: 20

約数和(自身を含む): 40116976

約数和(自身を除く): 21999744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 161761, 323522, 647044, 1132327, 1294088, 2264654, 2588176, 4529308, 9058616, 18117232]

約数ペア:

[(1, 18117232), (2, 9058616), (4, 4529308), (7, 2588176), (8, 2264654), (14, 1294088), (16, 1132327), (28, 647044), (56, 323522), (112, 161761)]