19626814

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1715

約数の個数: 16

約数和(自身を含む): 30209760

約数和(自身を除く): 10582946

約数列:

[1, 2, 71, 89, 142, 178, 1553, 3106, 6319, 12638, 110263, 138217, 220526, 276434, 9813407, 19626814]

約数ペア:

[(1, 19626814), (2, 9813407), (71, 276434), (89, 220526), (142, 138217), (178, 110263), (1553, 12638), (3106, 6319)]