19967696

素因数分解:

$2^4\times 7^2\times {\mathrm{25469}}^1$

素因数の和:25491

約数の個数: 30

約数和(自身を含む): 45005490

約数和(自身を除く): 25037794

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25469, 50938, 101876, 178283, 203752, 356566, 407504, 713132, 1247981, 1426264, 2495962, 2852528, 4991924, 9983848, 19967696]

約数ペア:

[(1, 19967696), (2, 9983848), (4, 4991924), (7, 2852528), (8, 2495962), (14, 1426264), (16, 1247981), (28, 713132), (49, 407504), (56, 356566), (98, 203752), (112, 178283), (196, 101876), (392, 50938), (784, 25469)]