19661072

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42373}}^1$

素因数の和:42410

約数の個数: 20

約数和(自身を含む): 39407820

約数和(自身を除く): 19746748

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42373, 84746, 169492, 338984, 677968, 1228817, 2457634, 4915268, 9830536, 19661072]

約数ペア:

[(1, 19661072), (2, 9830536), (4, 4915268), (8, 2457634), (16, 1228817), (29, 677968), (58, 338984), (116, 169492), (232, 84746), (464, 42373)]