19555280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8429}}^1$

素因数の和:8471

約数の個数: 40

約数和(自身を含む): 47039400

約数和(自身を除く): 27484120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8429, 16858, 33716, 42145, 67432, 84290, 134864, 168580, 244441, 337160, 488882, 674320, 977764, 1222205, 1955528, 2444410, 3911056, 4888820, 9777640, 19555280]

約数ペア:

[(1, 19555280), (2, 9777640), (4, 4888820), (5, 3911056), (8, 2444410), (10, 1955528), (16, 1222205), (20, 977764), (29, 674320), (40, 488882), (58, 337160), (80, 244441), (116, 168580), (145, 134864), (232, 84290), (290, 67432), (464, 42145), (580, 33716), (1160, 16858), (2320, 8429)]