17885720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19441}}^1$

素因数の和:19475

約数の個数: 32

約数和(自身を含む): 41994720

約数和(自身を除く): 24109000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19441, 38882, 77764, 97205, 155528, 194410, 388820, 447143, 777640, 894286, 1788572, 2235715, 3577144, 4471430, 8942860, 17885720]

約数ペア:

[(1, 17885720), (2, 8942860), (4, 4471430), (5, 3577144), (8, 2235715), (10, 1788572), (20, 894286), (23, 777640), (40, 447143), (46, 388820), (92, 194410), (115, 155528), (184, 97205), (230, 77764), (460, 38882), (920, 19441)]