19221268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1123}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 36822240

約数和(自身を除く): 17600972

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1123, 1556, 2246, 4279, 4492, 8558, 12353, 17116, 24706, 49412, 436847, 873694, 1747388, 4805317, 9610634, 19221268]

約数ペア:

[(1, 19221268), (2, 9610634), (4, 4805317), (11, 1747388), (22, 873694), (44, 436847), (389, 49412), (778, 24706), (1123, 17116), (1556, 12353), (2246, 8558), (4279, 4492)]