19847072

素因数分解:

$2^5\times 7^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 25113760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 251, 353, 502, 706, 1004, 1412, 1757, 2008, 2471, 2824, 3514, 4016, 4942, 5648, 7028, 8032, 9884, 11296, 14056, 19768, 28112, 39536, 56224, 79072, 88603, 177206, 354412, 620221, 708824, 1240442, 1417648, 2480884, 2835296, 4961768, 9923536, 19847072]

約数ペア:

[(1, 19847072), (2, 9923536), (4, 4961768), (7, 2835296), (8, 2480884), (14, 1417648), (16, 1240442), (28, 708824), (32, 620221), (56, 354412), (112, 177206), (224, 88603), (251, 79072), (353, 56224), (502, 39536), (706, 28112), (1004, 19768), (1412, 14056), (1757, 11296), (2008, 9884), (2471, 8032), (2824, 7028), (3514, 5648), (4016, 4942)]