19289972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8627}}^1$

素因数の和:8687

約数の個数: 24

約数和(自身を含む): 37203936

約数和(自身を除く): 17913964

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8627, 17254, 34508, 112151, 224302, 370961, 448604, 741922, 1483844, 4822493, 9644986, 19289972]

約数ペア:

[(1, 19289972), (2, 9644986), (4, 4822493), (13, 1483844), (26, 741922), (43, 448604), (52, 370961), (86, 224302), (172, 112151), (559, 34508), (1118, 17254), (2236, 8627)]