18581276

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21407}}^1$

素因数の和:21449

約数の個数: 24

約数和(自身を含む): 38363136

約数和(自身を除く): 19781860

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21407, 42814, 85628, 149849, 299698, 599396, 663617, 1327234, 2654468, 4645319, 9290638, 18581276]

約数ペア:

[(1, 18581276), (2, 9290638), (4, 4645319), (7, 2654468), (14, 1327234), (28, 663617), (31, 599396), (62, 299698), (124, 149849), (217, 85628), (434, 42814), (868, 21407)]