19996144

素因数分解:

$2^4\times 7^1\times {\mathrm{178537}}^1$

素因数の和:178552

約数の個数: 20

約数和(自身を含む): 44277424

約数和(自身を除く): 24281280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178537, 357074, 714148, 1249759, 1428296, 2499518, 2856592, 4999036, 9998072, 19996144]

約数ペア:

[(1, 19996144), (2, 9998072), (4, 4999036), (7, 2856592), (8, 2499518), (14, 1428296), (16, 1249759), (28, 714148), (56, 357074), (112, 178537)]