18873663

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{881}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 26008416

約数和(自身を除く): 7134753

約数列:

[1, 3, 37, 111, 193, 579, 881, 2643, 7141, 21423, 32597, 97791, 170033, 510099, 6291221, 18873663]

約数ペア:

[(1, 18873663), (3, 6291221), (37, 510099), (111, 170033), (193, 97791), (579, 32597), (881, 21423), (2643, 7141)]