19940488

素因数分解:

$2^3\times {\mathrm{1039}}^1\times {\mathrm{2399}}^1$

素因数の和:3444

約数の個数: 16

約数和(自身を含む): 37440000

約数和(自身を除く): 17499512

約数列:

[1, 2, 4, 8, 1039, 2078, 2399, 4156, 4798, 8312, 9596, 19192, 2492561, 4985122, 9970244, 19940488]

約数ペア:

[(1, 19940488), (2, 9970244), (4, 4985122), (8, 2492561), (1039, 19192), (2078, 9596), (2399, 8312), (4156, 4798)]