18819982

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4129}}^1$

素因数の和:4227

約数の個数: 16

約数和(自身を含む): 29438640

約数和(自身を除く): 10618658

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4129, 4558, 8258, 177547, 218837, 355094, 437674, 9409991, 18819982]

約数ペア:

[(1, 18819982), (2, 9409991), (43, 437674), (53, 355094), (86, 218837), (106, 177547), (2279, 8258), (4129, 4558)]