19653473

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 24267264

約数和(自身を除く): 4613791

約数列:

[1, 7, 31, 41, 47, 217, 287, 329, 1271, 1457, 1927, 2209, 8897, 10199, 13489, 15463, 59737, 68479, 90569, 418159, 479353, 633983, 2807639, 19653473]

約数ペア:

[(1, 19653473), (7, 2807639), (31, 633983), (41, 479353), (47, 418159), (217, 90569), (287, 68479), (329, 59737), (1271, 15463), (1457, 13489), (1927, 10199), (2209, 8897)]