1821986768

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{707293}}^1$

素因数の和:707331

約数の個数: 40

約数和(自身を含む): 4209813888

約数和(自身を除く): 2387827120

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 707293, 1414586, 2829172, 4951051, 5658344, 9902102, 11316688, 16267739, 19804204, 32535478, 39608408, 65070956, 79216816, 113874173, 130141912, 227748346, 260283824, 455496692, 910993384, 1821986768]

約数ペア:

[(1, 1821986768), (2, 910993384), (4, 455496692), (7, 260283824), (8, 227748346), (14, 130141912), (16, 113874173), (23, 79216816), (28, 65070956), (46, 39608408), (56, 32535478), (92, 19804204), (112, 16267739), (161, 11316688), (184, 9902102), (322, 5658344), (368, 4951051), (644, 2829172), (1288, 1414586), (2576, 707293)]