19941874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4871}}^1$

素因数の和:4985

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 11628686

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 4871, 9742, 112033, 224066, 433519, 867038, 9970937, 19941874]

約数ペア:

[(1, 19941874), (2, 9970937), (23, 867038), (46, 433519), (89, 224066), (178, 112033), (2047, 9742), (4094, 4871)]