19017776

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16741}}^1$

素因数の和:16820

約数の個数: 20

約数和(自身を含む): 37368144

約数和(自身を除く): 18350368

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16741, 33482, 66964, 133928, 267856, 1188611, 2377222, 4754444, 9508888, 19017776]

約数ペア:

[(1, 19017776), (2, 9508888), (4, 4754444), (8, 2377222), (16, 1188611), (71, 267856), (142, 133928), (284, 66964), (568, 33482), (1136, 16741)]