18614872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 36424080

約数和(自身を除く): 17809208

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 1021, 2042, 2279, 4084, 4558, 8168, 9116, 18232, 43903, 54113, 87806, 108226, 175612, 216452, 351224, 432904, 2326859, 4653718, 9307436, 18614872]

約数ペア:

[(1, 18614872), (2, 9307436), (4, 4653718), (8, 2326859), (43, 432904), (53, 351224), (86, 216452), (106, 175612), (172, 108226), (212, 87806), (344, 54113), (424, 43903), (1021, 18232), (2042, 9116), (2279, 8168), (4084, 4558)]