18784706

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1439}}^1$

素因数の和:1609

約数の個数: 16

約数和(自身を含む): 28926720

約数和(自身を除く): 10142014

約数列:

[1, 2, 61, 107, 122, 214, 1439, 2878, 6527, 13054, 87779, 153973, 175558, 307946, 9392353, 18784706]

約数ペア:

[(1, 18784706), (2, 9392353), (61, 307946), (107, 175558), (122, 153973), (214, 87779), (1439, 13054), (2878, 6527)]