18503378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{28643}}^1$

素因数の和:28681

約数の個数: 16

約数和(自身を含む): 30935520

約数和(自身を除く): 12432142

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 28643, 57286, 486931, 544217, 973862, 1088434, 9251689, 18503378]

約数ペア:

[(1, 18503378), (2, 9251689), (17, 1088434), (19, 973862), (34, 544217), (38, 486931), (323, 57286), (646, 28643)]