18073328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12413}}^1$

素因数の和:12441

約数の個数: 40

約数和(自身を含む): 43101408

約数和(自身を除く): 25028080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12413, 24826, 49652, 86891, 99304, 161369, 173782, 198608, 322738, 347564, 645476, 695128, 1129583, 1290952, 1390256, 2259166, 2581904, 4518332, 9036664, 18073328]

約数ペア:

[(1, 18073328), (2, 9036664), (4, 4518332), (7, 2581904), (8, 2259166), (13, 1390256), (14, 1290952), (16, 1129583), (26, 695128), (28, 645476), (52, 347564), (56, 322738), (91, 198608), (104, 173782), (112, 161369), (182, 99304), (208, 86891), (364, 49652), (728, 24826), (1456, 12413)]