19343457

素因数分解:

$3^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{641}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 32048640

約数和(自身を除く): 12705183

約数列:

[1, 3, 7, 9, 21, 63, 479, 641, 1437, 1923, 3353, 4311, 4487, 5769, 10059, 13461, 30177, 40383, 307039, 921117, 2149273, 2763351, 6447819, 19343457]

約数ペア:

[(1, 19343457), (3, 6447819), (7, 2763351), (9, 2149273), (21, 921117), (63, 307039), (479, 40383), (641, 30177), (1437, 13461), (1923, 10059), (3353, 5769), (4311, 4487)]