19082721

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53453}}^1$

素因数の和:53480

約数の個数: 16

約数和(自身を含む): 30789504

約数和(自身を除く): 11706783

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53453, 160359, 374171, 908701, 1122513, 2726103, 6360907, 19082721]

約数ペア:

[(1, 19082721), (3, 6360907), (7, 2726103), (17, 1122513), (21, 908701), (51, 374171), (119, 160359), (357, 53453)]