19949538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1361}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 45763200

約数和(自身を除く): 25813662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 349, 698, 1047, 1361, 2094, 2443, 2722, 4083, 4886, 7329, 8166, 9527, 14658, 19054, 28581, 57162, 474989, 949978, 1424967, 2849934, 3324923, 6649846, 9974769, 19949538]

約数ペア:

[(1, 19949538), (2, 9974769), (3, 6649846), (6, 3324923), (7, 2849934), (14, 1424967), (21, 949978), (42, 474989), (349, 57162), (698, 28581), (1047, 19054), (1361, 14658), (2094, 9527), (2443, 8166), (2722, 7329), (4083, 4886)]