18764391

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 25522560

約数和(自身を除く): 6758169

約数列:

[1, 3, 83, 179, 249, 421, 537, 1263, 14857, 34943, 44571, 75359, 104829, 226077, 6254797, 18764391]

約数ペア:

[(1, 18764391), (3, 6254797), (83, 226077), (179, 104829), (249, 75359), (421, 44571), (537, 34943), (1263, 14857)]