19018419

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1931}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 29953728

約数和(自身を除く): 10935309

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 1931, 3283, 5793, 9849, 13517, 40551, 94619, 129377, 283857, 388131, 905639, 2716917, 6339473, 19018419]

約数ペア:

[(1, 19018419), (3, 6339473), (7, 2716917), (21, 905639), (49, 388131), (67, 283857), (147, 129377), (201, 94619), (469, 40551), (1407, 13517), (1931, 9849), (3283, 5793)]