19818039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{743}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 28069632

約数和(自身を除く): 8251593

約数列:

[1, 3, 17, 51, 523, 743, 1569, 2229, 8891, 12631, 26673, 37893, 388589, 1165767, 6606013, 19818039]

約数ペア:

[(1, 19818039), (3, 6606013), (17, 1165767), (51, 388589), (523, 37893), (743, 26673), (1569, 12631), (2229, 8891)]