18156475

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 23382432

約数和(自身を除く): 5225957

約数列:

[1, 5, 25, 53, 71, 193, 265, 355, 965, 1325, 1775, 3763, 4825, 10229, 13703, 18815, 51145, 68515, 94075, 255725, 342575, 726259, 3631295, 18156475]

約数ペア:

[(1, 18156475), (5, 3631295), (25, 726259), (53, 342575), (71, 255725), (193, 94075), (265, 68515), (355, 51145), (965, 18815), (1325, 13703), (1775, 10229), (3763, 4825)]