19385848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{142543}}^1$

素因数の和:142566

約数の個数: 16

約数和(自身を含む): 38486880

約数和(自身を除く): 19101032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 142543, 285086, 570172, 1140344, 2423231, 4846462, 9692924, 19385848]

約数ペア:

[(1, 19385848), (2, 9692924), (4, 4846462), (8, 2423231), (17, 1140344), (34, 570172), (68, 285086), (136, 142543)]