18628144

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17377}}^1$

素因数の和:17452

約数の個数: 20

約数和(自身を含む): 36632824

約数和(自身を除く): 18004680

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17377, 34754, 69508, 139016, 278032, 1164259, 2328518, 4657036, 9314072, 18628144]

約数ペア:

[(1, 18628144), (2, 9314072), (4, 4657036), (8, 2328518), (16, 1164259), (67, 278032), (134, 139016), (268, 69508), (536, 34754), (1072, 17377)]