19387874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{14447}}^1$

素因数の和:14521

約数の個数: 16

約数和(自身を含む): 32247936

約数和(自身を除く): 12860062

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 14447, 28894, 158917, 317834, 881267, 1762534, 9693937, 19387874]

約数ペア:

[(1, 19387874), (2, 9693937), (11, 1762534), (22, 881267), (61, 317834), (122, 158917), (671, 28894), (1342, 14447)]