18090085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1319}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 5416475

約数列:

[1, 5, 13, 65, 211, 1055, 1319, 2743, 6595, 13715, 17147, 85735, 278309, 1391545, 3618017, 18090085]

約数ペア:

[(1, 18090085), (5, 3618017), (13, 1391545), (65, 278309), (211, 85735), (1055, 17147), (1319, 13715), (2743, 6595)]