20181344

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1747}}^1$

素因数の和:1795

約数の個数: 36

約数和(自身を含む): 41957244

約数和(自身を除く): 21775900

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1747, 2888, 3494, 5776, 6988, 11552, 13976, 27952, 33193, 55904, 66386, 132772, 265544, 531088, 630667, 1062176, 1261334, 2522668, 5045336, 10090672, 20181344]

約数ペア:

[(1, 20181344), (2, 10090672), (4, 5045336), (8, 2522668), (16, 1261334), (19, 1062176), (32, 630667), (38, 531088), (76, 265544), (152, 132772), (304, 66386), (361, 55904), (608, 33193), (722, 27952), (1444, 13976), (1747, 11552), (2888, 6988), (3494, 5776)]