19628144

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12647}}^1$

素因数の和:12752

約数の個数: 20

約数和(自身を含む): 38424624

約数和(自身を除く): 18796480

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12647, 25294, 50588, 101176, 202352, 1226759, 2453518, 4907036, 9814072, 19628144]

約数ペア:

[(1, 19628144), (2, 9814072), (4, 4907036), (8, 2453518), (16, 1226759), (97, 202352), (194, 101176), (388, 50588), (776, 25294), (1552, 12647)]