219029872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{17573}}^1$

素因数の和:17641

約数の個数: 40

約数和(自身を含む): 457626960

約数和(自身を除く): 238597088

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 17573, 35146, 70292, 140584, 281168, 333887, 667774, 720493, 1335548, 1440986, 2671096, 2881972, 5342192, 5763944, 11527888, 13689367, 27378734, 54757468, 109514936, 219029872]

約数ペア:

[(1, 219029872), (2, 109514936), (4, 54757468), (8, 27378734), (16, 13689367), (19, 11527888), (38, 5763944), (41, 5342192), (76, 2881972), (82, 2671096), (152, 1440986), (164, 1335548), (304, 720493), (328, 667774), (656, 333887), (779, 281168), (1558, 140584), (3116, 70292), (6232, 35146), (12464, 17573)]