18689589

素因数分解:

$3^3\times {\mathrm{631}}^1\times {\mathrm{1097}}^1$

素因数の和:1737

約数の個数: 16

約数和(自身を含む): 27757440

約数和(自身を除く): 9067851

約数列:

[1, 3, 9, 27, 631, 1097, 1893, 3291, 5679, 9873, 17037, 29619, 692207, 2076621, 6229863, 18689589]

約数ペア:

[(1, 18689589), (3, 6229863), (9, 2076621), (27, 692207), (631, 29619), (1097, 17037), (1893, 9873), (3291, 5679)]