19783660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76091}}^1$

素因数の和:76113

約数の個数: 24

約数和(自身を含む): 44742096

約数和(自身を除く): 24958436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76091, 152182, 304364, 380455, 760910, 989183, 1521820, 1978366, 3956732, 4945915, 9891830, 19783660]

約数ペア:

[(1, 19783660), (2, 9891830), (4, 4945915), (5, 3956732), (10, 1978366), (13, 1521820), (20, 989183), (26, 760910), (52, 380455), (65, 304364), (130, 152182), (260, 76091)]