19892440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8429}}^1$

素因数の和:8499

約数の個数: 32

約数和(自身を含む): 45522000

約数和(自身を除く): 25629560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8429, 16858, 33716, 42145, 67432, 84290, 168580, 337160, 497311, 994622, 1989244, 2486555, 3978488, 4973110, 9946220, 19892440]

約数ペア:

[(1, 19892440), (2, 9946220), (4, 4973110), (5, 3978488), (8, 2486555), (10, 1989244), (20, 994622), (40, 497311), (59, 337160), (118, 168580), (236, 84290), (295, 67432), (472, 42145), (590, 33716), (1180, 16858), (2360, 8429)]