19984818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4447}}^1$

素因数の和:4566

約数の個数: 32

約数和(自身を含む): 46116864

約数和(自身を除く): 26132046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4447, 4494, 8894, 13341, 26682, 31129, 62258, 93387, 186774, 475829, 951658, 1427487, 2854974, 3330803, 6661606, 9992409, 19984818]

約数ペア:

[(1, 19984818), (2, 9992409), (3, 6661606), (6, 3330803), (7, 2854974), (14, 1427487), (21, 951658), (42, 475829), (107, 186774), (214, 93387), (321, 62258), (642, 31129), (749, 26682), (1498, 13341), (2247, 8894), (4447, 4494)]