19861442

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1471}}^1$

素因数の和:1673

約数の個数: 16

約数和(自身を含む): 30700032

約数和(自身を除く): 10838590

約数列:

[1, 2, 43, 86, 157, 314, 1471, 2942, 6751, 13502, 63253, 126506, 230947, 461894, 9930721, 19861442]

約数ペア:

[(1, 19861442), (2, 9930721), (43, 461894), (86, 230947), (157, 126506), (314, 63253), (1471, 13502), (2942, 6751)]