19872656

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42829}}^1$

素因数の和:42866

約数の個数: 20

約数和(自身を含む): 39831900

約数和(自身を除く): 19959244

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42829, 85658, 171316, 342632, 685264, 1242041, 2484082, 4968164, 9936328, 19872656]

約数ペア:

[(1, 19872656), (2, 9936328), (4, 4968164), (8, 2484082), (16, 1242041), (29, 685264), (58, 342632), (116, 171316), (232, 85658), (464, 42829)]