19800748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1447}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 37949184

約数和(自身を除く): 18148436

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1447, 2894, 3421, 5788, 6842, 13684, 15917, 31834, 63668, 450017, 900034, 1800068, 4950187, 9900374, 19800748]

約数ペア:

[(1, 19800748), (2, 9900374), (4, 4950187), (11, 1800068), (22, 900034), (44, 450017), (311, 63668), (622, 31834), (1244, 15917), (1447, 13684), (2894, 6842), (3421, 5788)]