19213767

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 29572816

約数和(自身を除く): 10359049

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2137, 2997, 6411, 8991, 19233, 57699, 79069, 173097, 237207, 519291, 711621, 2134863, 6404589, 19213767]

約数ペア:

[(1, 19213767), (3, 6404589), (9, 2134863), (27, 711621), (37, 519291), (81, 237207), (111, 173097), (243, 79069), (333, 57699), (999, 19233), (2137, 8991), (2997, 6411)]