19805848

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{25523}}^1$

素因数の和:25626

約数の個数: 16

約数和(自身を含む): 37520280

約数和(自身を除く): 17714432

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 25523, 51046, 102092, 204184, 2475731, 4951462, 9902924, 19805848]

約数ペア:

[(1, 19805848), (2, 9902924), (4, 4951462), (8, 2475731), (97, 204184), (194, 102092), (388, 51046), (776, 25523)]