19821656

素因数分解:

$2^3\times {\mathrm{353}}^1\times {\mathrm{7019}}^1$

素因数の和:7378

約数の個数: 16

約数和(自身を含む): 37276200

約数和(自身を除く): 17454544

約数列:

[1, 2, 4, 8, 353, 706, 1412, 2824, 7019, 14038, 28076, 56152, 2477707, 4955414, 9910828, 19821656]

約数ペア:

[(1, 19821656), (2, 9910828), (4, 4955414), (8, 2477707), (353, 56152), (706, 28076), (1412, 14038), (2824, 7019)]