18801748

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21703

約数の個数: 24

約数和(自身を含む): 38818304

約数和(自身を除く): 20016556

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21661, 43322, 86644, 151627, 303254, 606508, 671491, 1342982, 2685964, 4700437, 9400874, 18801748]

約数ペア:

[(1, 18801748), (2, 9400874), (4, 4700437), (7, 2685964), (14, 1342982), (28, 671491), (31, 606508), (62, 303254), (124, 151627), (217, 86644), (434, 43322), (868, 21661)]