19908938

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3637}}^1$

素因数の和:3686

約数の個数: 32

約数和(自身を含む): 37718784

約数和(自身を除く): 17809846

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3637, 5474, 7274, 25459, 50918, 61829, 83651, 123658, 167302, 432803, 585557, 865606, 1171114, 1422067, 2844134, 9954469, 19908938]

約数ペア:

[(1, 19908938), (2, 9954469), (7, 2844134), (14, 1422067), (17, 1171114), (23, 865606), (34, 585557), (46, 432803), (119, 167302), (161, 123658), (238, 83651), (322, 61829), (391, 50918), (782, 25459), (2737, 7274), (3637, 5474)]