19856656

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18523}}^1$

素因数の和:18598

約数の個数: 20

約数和(自身を含む): 39048592

約数和(自身を除く): 19191936

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18523, 37046, 74092, 148184, 296368, 1241041, 2482082, 4964164, 9928328, 19856656]

約数ペア:

[(1, 19856656), (2, 9928328), (4, 4964164), (8, 2482082), (16, 1241041), (67, 296368), (134, 148184), (268, 74092), (536, 37046), (1072, 18523)]