19470003

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6971}}^1$

素因数の和:7007

約数の個数: 24

約数和(自身を含む): 31792320

約数和(自身を除く): 12322317

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 6971, 20913, 48797, 132449, 146391, 341579, 397347, 927143, 1024737, 2781429, 6490001, 19470003]

約数ペア:

[(1, 19470003), (3, 6490001), (7, 2781429), (19, 1024737), (21, 927143), (49, 397347), (57, 341579), (133, 146391), (147, 132449), (399, 48797), (931, 20913), (2793, 6971)]