19137784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 38372400

約数和(自身を除く): 19234616

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1291, 1853, 2582, 3706, 5164, 7412, 10328, 14824, 21947, 43894, 87788, 140719, 175576, 281438, 562876, 1125752, 2392223, 4784446, 9568892, 19137784]

約数ペア:

[(1, 19137784), (2, 9568892), (4, 4784446), (8, 2392223), (17, 1125752), (34, 562876), (68, 281438), (109, 175576), (136, 140719), (218, 87788), (436, 43894), (872, 21947), (1291, 14824), (1853, 10328), (2582, 7412), (3706, 5164)]