18979210

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4153}}^1$

素因数の和:4617

約数の個数: 16

約数和(自身を含む): 34245576

約数和(自身を除く): 15266366

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4153, 4570, 8306, 20765, 41530, 1897921, 3795842, 9489605, 18979210]

約数ペア:

[(1, 18979210), (2, 9489605), (5, 3795842), (10, 1897921), (457, 41530), (914, 20765), (2285, 8306), (4153, 4570)]