18915842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 32284224

約数和(自身を除く): 13368382

約数列:

[1, 2, 11, 22, 41, 67, 82, 134, 313, 451, 626, 737, 902, 1474, 2747, 3443, 5494, 6886, 12833, 20971, 25666, 30217, 41942, 60434, 141163, 230681, 282326, 461362, 859811, 1719622, 9457921, 18915842]

約数ペア:

[(1, 18915842), (2, 9457921), (11, 1719622), (22, 859811), (41, 461362), (67, 282326), (82, 230681), (134, 141163), (313, 60434), (451, 41942), (626, 30217), (737, 25666), (902, 20971), (1474, 12833), (2747, 6886), (3443, 5494)]