18254278

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{12659}}^1$

素因数の和:12771

約数の個数: 16

約数和(自身を含む): 31599360

約数和(自身を除く): 13345082

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 12659, 25318, 88613, 177226, 1303877, 2607754, 9127139, 18254278]

約数ペア:

[(1, 18254278), (2, 9127139), (7, 2607754), (14, 1303877), (103, 177226), (206, 88613), (721, 25318), (1442, 12659)]