19428776

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{56479}}^1$

素因数の和:56528

約数の個数: 16

約数和(自身を含む): 37276800

約数和(自身を除く): 17848024

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 56479, 112958, 225916, 451832, 2428597, 4857194, 9714388, 19428776]

約数ペア:

[(1, 19428776), (2, 9714388), (4, 4857194), (8, 2428597), (43, 451832), (86, 225916), (172, 112958), (344, 56479)]