13018047

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19997}}^1$

素因数の和:20038

約数の個数: 16

約数和(自身を含む): 20477952

約数和(自身を除く): 7459905

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 19997, 59991, 139979, 419937, 619907, 1859721, 4339349, 13018047]

約数ペア:

[(1, 13018047), (3, 4339349), (7, 1859721), (21, 619907), (31, 419937), (93, 139979), (217, 59991), (651, 19997)]