19046288

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{8689}}^1$

素因数の和:8834

約数の個数: 20

約数和(自身を含む): 37175820

約数和(自身を除く): 18129532

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 8689, 17378, 34756, 69512, 139024, 1190393, 2380786, 4761572, 9523144, 19046288]

約数ペア:

[(1, 19046288), (2, 9523144), (4, 4761572), (8, 2380786), (16, 1190393), (137, 139024), (274, 69512), (548, 34756), (1096, 17378), (2192, 8689)]