18970712

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9227}}^1$

素因数の和:9490

約数の個数: 16

約数和(自身を含む): 35712360

約数和(自身を除く): 16741648

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9227, 18454, 36908, 73816, 2371339, 4742678, 9485356, 18970712]

約数ペア:

[(1, 18970712), (2, 9485356), (4, 4742678), (8, 2371339), (257, 73816), (514, 36908), (1028, 18454), (2056, 9227)]