19982152

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6421}}^1$

素因数の和:6816

約数の個数: 16

約数和(自身を含む): 37568700

約数和(自身を除く): 17586548

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6421, 12842, 25684, 51368, 2497769, 4995538, 9991076, 19982152]

約数ペア:

[(1, 19982152), (2, 9991076), (4, 4995538), (8, 2497769), (389, 51368), (778, 25684), (1556, 12842), (3112, 6421)]