18954056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5009}}^1$

素因数の和:5069

約数の個数: 32

約数和(自身を含む): 39679200

約数和(自身を除く): 20725144

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5009, 10018, 20036, 40072, 55099, 110198, 215387, 220396, 430774, 440792, 861548, 1723096, 2369257, 4738514, 9477028, 18954056]

約数ペア:

[(1, 18954056), (2, 9477028), (4, 4738514), (8, 2369257), (11, 1723096), (22, 861548), (43, 440792), (44, 430774), (86, 220396), (88, 215387), (172, 110198), (344, 55099), (473, 40072), (946, 20036), (1892, 10018), (3784, 5009)]