19849207

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 25288704

約数和(自身を除く): 5439497

約数列:

[1, 7, 23, 31, 41, 97, 161, 217, 287, 679, 713, 943, 1271, 2231, 3007, 3977, 4991, 6601, 8897, 15617, 21049, 27839, 29233, 69161, 91471, 123287, 204631, 484127, 640297, 863009, 2835601, 19849207]

約数ペア:

[(1, 19849207), (7, 2835601), (23, 863009), (31, 640297), (41, 484127), (97, 204631), (161, 123287), (217, 91471), (287, 69161), (679, 29233), (713, 27839), (943, 21049), (1271, 15617), (2231, 8897), (3007, 6601), (3977, 4991)]