19541043905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1\times {\mathrm{9127}}^1$

素因数の和:9909

約数の個数: 32

約数和(自身を含む): 25517506560

約数和(自身を除く): 5976462655

約数列:

[1, 5, 19, 31, 95, 155, 589, 727, 2945, 3635, 9127, 13813, 22537, 45635, 69065, 112685, 173413, 282937, 428203, 867065, 1414685, 2141015, 5375803, 6635329, 26879015, 33176645, 126071251, 205695199, 630356255, 1028475995, 3908208781, 19541043905]

約数ペア:

[(1, 19541043905), (5, 3908208781), (19, 1028475995), (31, 630356255), (95, 205695199), (155, 126071251), (589, 33176645), (727, 26879015), (2945, 6635329), (3635, 5375803), (9127, 2141015), (13813, 1414685), (22537, 867065), (45635, 428203), (69065, 282937), (112685, 173413)]