18983181

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2731}}^1$

素因数の和:3072

約数の個数: 16

約数和(自身を含む): 29024768

約数和(自身を除く): 10041587

約数列:

[1, 3, 7, 21, 331, 993, 2317, 2731, 6951, 8193, 19117, 57351, 903961, 2711883, 6327727, 18983181]

約数ペア:

[(1, 18983181), (3, 6327727), (7, 2711883), (21, 903961), (331, 57351), (993, 19117), (2317, 8193), (2731, 6951)]