19608213

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 9145707

約数列:

[1, 3, 23, 31, 69, 89, 93, 103, 267, 309, 713, 2047, 2139, 2369, 2759, 3193, 6141, 7107, 8277, 9167, 9579, 27501, 63457, 73439, 190371, 210841, 220317, 284177, 632523, 852531, 6536071, 19608213]

約数ペア:

[(1, 19608213), (3, 6536071), (23, 852531), (31, 632523), (69, 284177), (89, 220317), (93, 210841), (103, 190371), (267, 73439), (309, 63457), (713, 27501), (2047, 9579), (2139, 9167), (2369, 8277), (2759, 7107), (3193, 6141)]