20183843792

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9484889}}^1$

素因数の和:9484923

約数の個数: 40

約数和(自身を含む): 47045054400

約数和(自身を除く): 26861210608

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9484889, 18969778, 37939556, 66394223, 75879112, 132788446, 151758224, 180212891, 265576892, 360425782, 531153784, 720851564, 1062307568, 1261490237, 1441703128, 2522980474, 2883406256, 5045960948, 10091921896, 20183843792]

約数ペア:

[(1, 20183843792), (2, 10091921896), (4, 5045960948), (7, 2883406256), (8, 2522980474), (14, 1441703128), (16, 1261490237), (19, 1062307568), (28, 720851564), (38, 531153784), (56, 360425782), (76, 265576892), (112, 180212891), (133, 151758224), (152, 132788446), (266, 75879112), (304, 66394223), (532, 37939556), (1064, 18969778), (2128, 9484889)]