18400837

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{883}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 22771840

約数和(自身を除く): 4371003

約数列:

[1, 7, 13, 91, 229, 883, 1603, 2977, 6181, 11479, 20839, 80353, 202207, 1415449, 2628691, 18400837]

約数ペア:

[(1, 18400837), (7, 2628691), (13, 1415449), (91, 202207), (229, 80353), (883, 20839), (1603, 11479), (2977, 6181)]