17998682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 31534272

約数和(自身を除く): 13535590

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 947, 1118, 1462, 1894, 9503, 12311, 16099, 19006, 24622, 32198, 40721, 81442, 209287, 418574, 529373, 692257, 1058746, 1384514, 8999341, 17998682]

約数ペア:

[(1, 17998682), (2, 8999341), (13, 1384514), (17, 1058746), (26, 692257), (34, 529373), (43, 418574), (86, 209287), (221, 81442), (442, 40721), (559, 32198), (731, 24622), (947, 19006), (1118, 16099), (1462, 12311), (1894, 9503)]