19900946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24691}}^1$

素因数の和:24737

約数の個数: 16

約数和(自身を含む): 33186048

約数和(自身を除く): 13285102

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 24691, 49382, 320983, 641966, 765421, 1530842, 9950473, 19900946]

約数ペア:

[(1, 19900946), (2, 9950473), (13, 1530842), (26, 765421), (31, 641966), (62, 320983), (403, 49382), (806, 24691)]