19019798

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71503}}^1$

素因数の和:71531

約数の個数: 16

約数和(自身を含む): 34321920

約数和(自身を除く): 15302122

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 71503, 143006, 500521, 1001042, 1358557, 2717114, 9509899, 19019798]

約数ペア:

[(1, 19019798), (2, 9509899), (7, 2717114), (14, 1358557), (19, 1001042), (38, 500521), (133, 143006), (266, 71503)]