18531667

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 24583680

約数和(自身を除く): 6052013

約数列:

[1, 7, 11, 29, 43, 77, 193, 203, 301, 319, 473, 1247, 1351, 2123, 2233, 3311, 5597, 8299, 8729, 13717, 14861, 39179, 58093, 61567, 91289, 96019, 240671, 430969, 639023, 1684697, 2647381, 18531667]

約数ペア:

[(1, 18531667), (7, 2647381), (11, 1684697), (29, 639023), (43, 430969), (77, 240671), (193, 96019), (203, 91289), (301, 61567), (319, 58093), (473, 39179), (1247, 14861), (1351, 13717), (2123, 8729), (2233, 8299), (3311, 5597)]