18875492

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66463}}^1$

素因数の和:66538

約数の個数: 12

約数和(自身を含む): 33497856

約数和(自身を除く): 14622364

約数列:

[1, 2, 4, 71, 142, 284, 66463, 132926, 265852, 4718873, 9437746, 18875492]

約数ペア:

[(1, 18875492), (2, 9437746), (4, 4718873), (71, 265852), (142, 132926), (284, 66463)]