19948168

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{17939}}^1$

素因数の和:18084

約数の個数: 16

約数和(自身を含む): 37674000

約数和(自身を除く): 17725832

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 17939, 35878, 71756, 143512, 2493521, 4987042, 9974084, 19948168]

約数ペア:

[(1, 19948168), (2, 9974084), (4, 4987042), (8, 2493521), (139, 143512), (278, 71756), (556, 35878), (1112, 17939)]