19893616

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7187}}^1$

素因数の和:7368

約数の個数: 20

約数和(自身を含む): 38772072

約数和(自身を除く): 18878456

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7187, 14374, 28748, 57496, 114992, 1243351, 2486702, 4973404, 9946808, 19893616]

約数ペア:

[(1, 19893616), (2, 9946808), (4, 4973404), (8, 2486702), (16, 1243351), (173, 114992), (346, 57496), (692, 28748), (1384, 14374), (2768, 7187)]