19779184

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1789}}^1$

素因数の和:2488

約数の個数: 20

約数和(自身を含む): 38399080

約数和(自身を除く): 18619896

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1789, 2764, 3578, 5528, 7156, 11056, 14312, 28624, 1236199, 2472398, 4944796, 9889592, 19779184]

約数ペア:

[(1, 19779184), (2, 9889592), (4, 4944796), (8, 2472398), (16, 1236199), (691, 28624), (1382, 14312), (1789, 11056), (2764, 7156), (3578, 5528)]