19391883

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{54319}}^1$

素因数の和:54346

約数の個数: 16

約数和(自身を含む): 31288320

約数和(自身を除く): 11896437

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 54319, 162957, 380233, 923423, 1140699, 2770269, 6463961, 19391883]

約数ペア:

[(1, 19391883), (3, 6463961), (7, 2770269), (17, 1140699), (21, 923423), (51, 380233), (119, 162957), (357, 54319)]