18172844

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 32524800

約数和(自身を除く): 14351956

約数列:

[1, 2, 4, 79, 131, 158, 262, 316, 439, 524, 878, 1756, 10349, 20698, 34681, 41396, 57509, 69362, 115018, 138724, 230036, 4543211, 9086422, 18172844]

約数ペア:

[(1, 18172844), (2, 9086422), (4, 4543211), (79, 230036), (131, 138724), (158, 115018), (262, 69362), (316, 57509), (439, 41396), (524, 34681), (878, 20698), (1756, 10349)]