19948144

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9817}}^1$

素因数の和:9952

約数の個数: 20

約数和(自身を含む): 38957824

約数和(自身を除く): 19009680

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9817, 19634, 39268, 78536, 157072, 1246759, 2493518, 4987036, 9974072, 19948144]

約数ペア:

[(1, 19948144), (2, 9974072), (4, 4987036), (8, 2493518), (16, 1246759), (127, 157072), (254, 78536), (508, 39268), (1016, 19634), (2032, 9817)]