18605972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 40935552

約数和(自身を除く): 22329580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 193, 308, 313, 386, 626, 772, 1252, 1351, 2123, 2191, 2702, 3443, 4246, 4382, 5404, 6886, 8492, 8764, 13772, 14861, 24101, 29722, 48202, 59444, 60409, 96404, 120818, 241636, 422863, 664499, 845726, 1328998, 1691452, 2657996, 4651493, 9302986, 18605972]

約数ペア:

[(1, 18605972), (2, 9302986), (4, 4651493), (7, 2657996), (11, 1691452), (14, 1328998), (22, 845726), (28, 664499), (44, 422863), (77, 241636), (154, 120818), (193, 96404), (308, 60409), (313, 59444), (386, 48202), (626, 29722), (772, 24101), (1252, 14861), (1351, 13772), (2123, 8764), (2191, 8492), (2702, 6886), (3443, 5404), (4246, 4382)]