19904586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{883}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 45593184

約数和(自身を除く): 25688598

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 289, 442, 578, 663, 867, 883, 1326, 1734, 1766, 2649, 3757, 5298, 7514, 11271, 11479, 15011, 22542, 22958, 30022, 34437, 45033, 68874, 90066, 195143, 255187, 390286, 510374, 585429, 765561, 1170858, 1531122, 3317431, 6634862, 9952293, 19904586]

約数ペア:

[(1, 19904586), (2, 9952293), (3, 6634862), (6, 3317431), (13, 1531122), (17, 1170858), (26, 765561), (34, 585429), (39, 510374), (51, 390286), (78, 255187), (102, 195143), (221, 90066), (289, 68874), (442, 45033), (578, 34437), (663, 30022), (867, 22958), (883, 22542), (1326, 15011), (1734, 11479), (1766, 11271), (2649, 7514), (3757, 5298)]