18679045

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 29548800

約数和(自身を除く): 10869755

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 239, 245, 319, 385, 539, 1015, 1195, 1421, 1595, 1673, 2233, 2629, 2695, 6931, 7105, 8365, 11165, 11711, 13145, 15631, 18403, 34655, 48517, 58555, 76241, 78155, 92015, 128821, 242585, 339619, 381205, 533687, 644105, 1698095, 2668435, 3735809, 18679045]

約数ペア:

[(1, 18679045), (5, 3735809), (7, 2668435), (11, 1698095), (29, 644105), (35, 533687), (49, 381205), (55, 339619), (77, 242585), (145, 128821), (203, 92015), (239, 78155), (245, 76241), (319, 58555), (385, 48517), (539, 34655), (1015, 18403), (1195, 15631), (1421, 13145), (1595, 11711), (1673, 11165), (2233, 8365), (2629, 7105), (2695, 6931)]