19931248

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 41309856

約数和(自身を除く): 21378608

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 943, 1321, 1886, 2642, 3772, 5284, 7544, 10568, 15088, 21136, 30383, 54161, 60766, 108322, 121532, 216644, 243064, 433288, 486128, 866576, 1245703, 2491406, 4982812, 9965624, 19931248]

約数ペア:

[(1, 19931248), (2, 9965624), (4, 4982812), (8, 2491406), (16, 1245703), (23, 866576), (41, 486128), (46, 433288), (82, 243064), (92, 216644), (164, 121532), (184, 108322), (328, 60766), (368, 54161), (656, 30383), (943, 21136), (1321, 15088), (1886, 10568), (2642, 7544), (3772, 5284)]