19863668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1301}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 38060064

約数和(自身を除く): 18196396

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1301, 1388, 2602, 3817, 5204, 7634, 14311, 15268, 28622, 57244, 451447, 902894, 1805788, 4965917, 9931834, 19863668]

約数ペア:

[(1, 19863668), (2, 9931834), (4, 4965917), (11, 1805788), (22, 902894), (44, 451447), (347, 57244), (694, 28622), (1301, 15268), (1388, 14311), (2602, 7634), (3817, 5204)]