18742503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3061}}^1$

素因数の和:3234

約数の個数: 16

約数和(自身を含む): 27092576

約数和(自身を除く): 8350073

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3061, 6123, 9183, 39793, 119379, 480577, 1441731, 6247501, 18742503]

約数ペア:

[(1, 18742503), (3, 6247501), (13, 1441731), (39, 480577), (157, 119379), (471, 39793), (2041, 9183), (3061, 6123)]