19400393072

素因数分解:

$2^4\times {\mathrm{1747}}^1\times {\mathrm{694061}}^1$

素因数の和:695816

約数の個数: 20

約数和(自身を含む): 37609831656

約数和(自身を除く): 18209438584

約数列:

[1, 2, 4, 8, 16, 1747, 3494, 6988, 13976, 27952, 694061, 1388122, 2776244, 5552488, 11104976, 1212524567, 2425049134, 4850098268, 9700196536, 19400393072]

約数ペア:

[(1, 19400393072), (2, 9700196536), (4, 4850098268), (8, 2425049134), (16, 1212524567), (1747, 11104976), (3494, 5552488), (6988, 2776244), (13976, 1388122), (27952, 694061)]