19201435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 26915328

約数和(自身を除く): 7713893

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 353, 473, 989, 1265, 1765, 2365, 3883, 4945, 8119, 10879, 15179, 19415, 40595, 54395, 75895, 89309, 166969, 349117, 446545, 834845, 1745585, 3840287, 19201435]

約数ペア:

[(1, 19201435), (5, 3840287), (11, 1745585), (23, 834845), (43, 446545), (55, 349117), (115, 166969), (215, 89309), (253, 75895), (353, 54395), (473, 40595), (989, 19415), (1265, 15179), (1765, 10879), (2365, 8119), (3883, 4945)]