19109839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2711}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 23431680

約数和(自身を除く): 4321841

約数列:

[1, 7, 19, 53, 133, 371, 1007, 2711, 7049, 18977, 51509, 143683, 360563, 1005781, 2729977, 19109839]

約数ペア:

[(1, 19109839), (7, 2729977), (19, 1005781), (53, 360563), (133, 143683), (371, 51509), (1007, 18977), (2711, 7049)]