18826713

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 28683720

約数和(自身を除く): 9857007

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1361, 1537, 4083, 4611, 12249, 13833, 39469, 72133, 118407, 216399, 355221, 649197, 2091857, 6275571, 18826713]

約数ペア:

[(1, 18826713), (3, 6275571), (9, 2091857), (29, 649197), (53, 355221), (87, 216399), (159, 118407), (261, 72133), (477, 39469), (1361, 13833), (1537, 12249), (4083, 4611)]