19979085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1063}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16792755

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 179, 537, 895, 1063, 1253, 2685, 3189, 3759, 5315, 6265, 7441, 15945, 18795, 22323, 37205, 111615, 190277, 570831, 951385, 1331939, 2854155, 3995817, 6659695, 19979085]

約数ペア:

[(1, 19979085), (3, 6659695), (5, 3995817), (7, 2854155), (15, 1331939), (21, 951385), (35, 570831), (105, 190277), (179, 111615), (537, 37205), (895, 22323), (1063, 18795), (1253, 15945), (2685, 7441), (3189, 6265), (3759, 5315)]