18970616

素因数分解:

$2^3\times 7^1\times {\mathrm{338761}}^1$

素因数の和:338774

約数の個数: 16

約数和(自身を含む): 40651440

約数和(自身を除く): 21680824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 338761, 677522, 1355044, 2371327, 2710088, 4742654, 9485308, 18970616]

約数ペア:

[(1, 18970616), (2, 9485308), (4, 4742654), (7, 2710088), (8, 2371327), (14, 1355044), (28, 677522), (56, 338761)]