18443528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 18492472

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 1709, 2698, 3418, 5396, 6836, 10792, 13672, 32471, 64942, 121339, 129884, 242678, 259768, 485356, 970712, 2305441, 4610882, 9221764, 18443528]

約数ペア:

[(1, 18443528), (2, 9221764), (4, 4610882), (8, 2305441), (19, 970712), (38, 485356), (71, 259768), (76, 242678), (142, 129884), (152, 121339), (284, 64942), (568, 32471), (1349, 13672), (1709, 10792), (2698, 6836), (3418, 5396)]