19666072

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3719}}^1$

素因数の和:4386

約数の個数: 16

約数和(自身を含む): 36939600

約数和(自身を除く): 17273528

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3719, 5288, 7438, 14876, 29752, 2458259, 4916518, 9833036, 19666072]

約数ペア:

[(1, 19666072), (2, 9833036), (4, 4916518), (8, 2458259), (661, 29752), (1322, 14876), (2644, 7438), (3719, 5288)]