18162571

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 21901824

約数和(自身を除く): 3739253

約数列:

[1, 7, 23, 97, 161, 679, 1163, 2231, 8141, 15617, 26749, 112811, 187243, 789677, 2594653, 18162571]

約数ペア:

[(1, 18162571), (7, 2594653), (23, 789677), (97, 187243), (161, 112811), (679, 26749), (1163, 15617), (2231, 8141)]