17900272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 38278800

約数和(自身を除く): 20378528

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2099, 2132, 4198, 4264, 8396, 8528, 16792, 27287, 33584, 54574, 86059, 109148, 172118, 218296, 344236, 436592, 688472, 1118767, 1376944, 2237534, 4475068, 8950136, 17900272]

約数ペア:

[(1, 17900272), (2, 8950136), (4, 4475068), (8, 2237534), (13, 1376944), (16, 1118767), (26, 688472), (41, 436592), (52, 344236), (82, 218296), (104, 172118), (164, 109148), (208, 86059), (328, 54574), (533, 33584), (656, 27287), (1066, 16792), (2099, 8528), (2132, 8396), (4198, 4264)]