20181489356

素因数分解:

$2^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2679433}}^1$

素因数の和:2679713

約数の個数: 24

約数和(自身を含む): 40513042080

約数和(自身を除く): 20331552724

約数列:

[1, 2, 4, 7, 14, 28, 269, 538, 1076, 1883, 3766, 7532, 2679433, 5358866, 10717732, 18756031, 37512062, 75024124, 720767477, 1441534954, 2883069908, 5045372339, 10090744678, 20181489356]

約数ペア:

[(1, 20181489356), (2, 10090744678), (4, 5045372339), (7, 2883069908), (14, 1441534954), (28, 720767477), (269, 75024124), (538, 37512062), (1076, 18756031), (1883, 10717732), (3766, 5358866), (7532, 2679433)]