18246893

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 21461760

約数和(自身を除く): 3214867

約数列:

[1, 7, 53, 137, 359, 371, 959, 2513, 7261, 19027, 49183, 50827, 133189, 344281, 2606699, 18246893]

約数ペア:

[(1, 18246893), (7, 2606699), (53, 344281), (137, 133189), (359, 50827), (371, 49183), (959, 19027), (2513, 7261)]