19458047

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 5425153

約数列:

[1, 7, 17, 47, 49, 71, 119, 329, 343, 497, 799, 833, 1207, 2303, 3337, 3479, 5593, 5831, 8449, 16121, 23359, 24353, 39151, 56729, 59143, 163513, 274057, 397103, 414001, 1144591, 2779721, 19458047]

約数ペア:

[(1, 19458047), (7, 2779721), (17, 1144591), (47, 414001), (49, 397103), (71, 274057), (119, 163513), (329, 59143), (343, 56729), (497, 39151), (799, 24353), (833, 23359), (1207, 16121), (2303, 8449), (3337, 5831), (3479, 5593)]