2018168020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{213337}}^1$

素因数の和:213400

約数の個数: 48

約数和(自身を含む): 4730983488

約数和(自身を除く): 2712815468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 213337, 426674, 853348, 1066685, 2133370, 2346707, 4266740, 4693414, 9173491, 9386828, 11733535, 18346982, 23467070, 36693964, 45867455, 46934140, 91734910, 100908401, 183469820, 201816802, 403633604, 504542005, 1009084010, 2018168020]

約数ペア:

[(1, 2018168020), (2, 1009084010), (4, 504542005), (5, 403633604), (10, 201816802), (11, 183469820), (20, 100908401), (22, 91734910), (43, 46934140), (44, 45867455), (55, 36693964), (86, 23467070), (110, 18346982), (172, 11733535), (215, 9386828), (220, 9173491), (430, 4693414), (473, 4266740), (860, 2346707), (946, 2133370), (1892, 1066685), (2365, 853348), (4730, 426674), (9460, 213337)]