19159855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 27353088

約数和(自身を除く): 8193233

約数列:

[1, 5, 11, 13, 55, 65, 127, 143, 211, 635, 715, 1055, 1397, 1651, 2321, 2743, 6985, 8255, 11605, 13715, 18161, 26797, 30173, 90805, 133985, 150865, 294767, 348361, 1473835, 1741805, 3831971, 19159855]

約数ペア:

[(1, 19159855), (5, 3831971), (11, 1741805), (13, 1473835), (55, 348361), (65, 294767), (127, 150865), (143, 133985), (211, 90805), (635, 30173), (715, 26797), (1055, 18161), (1397, 13715), (1651, 11605), (2321, 8255), (2743, 6985)]