18388688

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{8389}}^1$

素因数の和:8534

約数の個数: 20

約数和(自身を含む): 35892420

約数和(自身を除く): 17503732

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 8389, 16778, 33556, 67112, 134224, 1149293, 2298586, 4597172, 9194344, 18388688]

約数ペア:

[(1, 18388688), (2, 9194344), (4, 4597172), (8, 2298586), (16, 1149293), (137, 134224), (274, 67112), (548, 33556), (1096, 16778), (2192, 8389)]