18196945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3943}}^1$

素因数の和:4032

約数の個数: 16

約数和(自身を含む): 23853312

約数和(自身を除く): 5656367

約数列:

[1, 5, 13, 65, 71, 355, 923, 3943, 4615, 19715, 51259, 256295, 279953, 1399765, 3639389, 18196945]

約数ペア:

[(1, 18196945), (5, 3639389), (13, 1399765), (65, 279953), (71, 256295), (355, 51259), (923, 19715), (3943, 4615)]