20419718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4484

約数の個数: 24

約数和(自身を含む): 35447160

約数和(自身を除く): 15027442

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4441, 4598, 8882, 48851, 84379, 97702, 168758, 537361, 928169, 1074722, 1856338, 10209859, 20419718]

約数ペア:

[(1, 20419718), (2, 10209859), (11, 1856338), (19, 1074722), (22, 928169), (38, 537361), (121, 168758), (209, 97702), (242, 84379), (418, 48851), (2299, 8882), (4441, 4598)]