18320661

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6113}}^1$

素因数の和:6162

約数の個数: 20

約数和(自身を含む): 28112172

約数和(自身を除く): 9791511

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6113, 18339, 55017, 165051, 226181, 495153, 678543, 2035629, 6106887, 18320661]

約数ペア:

[(1, 18320661), (3, 6106887), (9, 2035629), (27, 678543), (37, 495153), (81, 226181), (111, 165051), (333, 55017), (999, 18339), (2997, 6113)]