20185215345

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{298841}}^1$

素因数の和:298950

約数の個数: 48

約数和(自身を含む): 37295481600

約数和(自身を除く): 17110266255

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 79, 95, 171, 237, 285, 395, 711, 855, 1185, 1501, 3555, 4503, 7505, 13509, 22515, 67545, 298841, 896523, 1494205, 2689569, 4482615, 5677979, 13447845, 17033937, 23608439, 28389895, 51101811, 70825317, 85169685, 118042195, 212475951, 255509055, 354126585, 448560341, 1062379755, 1345681023, 2242801705, 4037043069, 6728405115, 20185215345]

約数ペア:

[(1, 20185215345), (3, 6728405115), (5, 4037043069), (9, 2242801705), (15, 1345681023), (19, 1062379755), (45, 448560341), (57, 354126585), (79, 255509055), (95, 212475951), (171, 118042195), (237, 85169685), (285, 70825317), (395, 51101811), (711, 28389895), (855, 23608439), (1185, 17033937), (1501, 13447845), (3555, 5677979), (4503, 4482615), (7505, 2689569), (13509, 1494205), (22515, 896523), (67545, 298841)]