18977061

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 26083904

約数和(自身を除く): 7106843

約数列:

[1, 3, 43, 129, 157, 471, 937, 2811, 6751, 20253, 40291, 120873, 147109, 441327, 6325687, 18977061]

約数ペア:

[(1, 18977061), (3, 6325687), (43, 441327), (129, 147109), (157, 120873), (471, 40291), (937, 20253), (2811, 6751)]