11871380

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{859}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 24995040

約数和(自身を除く): 13123660

約数列:

[1, 2, 4, 5, 10, 20, 691, 859, 1382, 1718, 2764, 3436, 3455, 4295, 6910, 8590, 13820, 17180, 593569, 1187138, 2374276, 2967845, 5935690, 11871380]

約数ペア:

[(1, 11871380), (2, 5935690), (4, 2967845), (5, 2374276), (10, 1187138), (20, 593569), (691, 17180), (859, 13820), (1382, 8590), (1718, 6910), (2764, 4295), (3436, 3455)]