2019069455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{2953}}^1$

素因数の和:3195

約数の個数: 32

約数和(自身を含む): 2665973184

約数和(自身を除く): 646903729

約数列:

[1, 5, 13, 65, 67, 157, 335, 785, 871, 2041, 2953, 4355, 10205, 10519, 14765, 38389, 52595, 136747, 191945, 197851, 463621, 683735, 989255, 2318105, 2572063, 6027073, 12860315, 30135365, 31062607, 155313035, 403813891, 2019069455]

約数ペア:

[(1, 2019069455), (5, 403813891), (13, 155313035), (65, 31062607), (67, 30135365), (157, 12860315), (335, 6027073), (785, 2572063), (871, 2318105), (2041, 989255), (2953, 683735), (4355, 463621), (10205, 197851), (10519, 191945), (14765, 136747), (38389, 52595)]