18738661389

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2964509}}^1$

素因数の和:2964569

約数の個数: 24

約数和(自身を含む): 29739964320

約数和(自身を除く): 11001302931

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 2964509, 8893527, 20751563, 62254689, 127473887, 145260941, 382421661, 435782823, 892317209, 2676951627, 6246220463, 18738661389]

約数ペア:

[(1, 18738661389), (3, 6246220463), (7, 2676951627), (21, 892317209), (43, 435782823), (49, 382421661), (129, 145260941), (147, 127473887), (301, 62254689), (903, 20751563), (2107, 8893527), (6321, 2964509)]