18212216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{593}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 37422000

約数和(自身を除く): 19209784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 593, 698, 1186, 1396, 2372, 2792, 3839, 4744, 6523, 7678, 13046, 15356, 26092, 30712, 52184, 206957, 413914, 827828, 1655656, 2276527, 4553054, 9106108, 18212216]

約数ペア:

[(1, 18212216), (2, 9106108), (4, 4553054), (8, 2276527), (11, 1655656), (22, 827828), (44, 413914), (88, 206957), (349, 52184), (593, 30712), (698, 26092), (1186, 15356), (1396, 13046), (2372, 7678), (2792, 6523), (3839, 4744)]