18689073

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1381}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 26932416

約数和(自身を除く): 8243343

約数列:

[1, 3, 13, 39, 347, 1041, 1381, 4143, 4511, 13533, 17953, 53859, 479207, 1437621, 6229691, 18689073]

約数ペア:

[(1, 18689073), (3, 6229691), (13, 1437621), (39, 479207), (347, 53859), (1041, 17953), (1381, 13533), (4143, 4511)]