19958319

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3571}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 31204992

約数和(自身を除く): 11246673

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3571, 5589, 10713, 32139, 82133, 96417, 246399, 289251, 739197, 867753, 2217591, 6652773, 19958319]

約数ペア:

[(1, 19958319), (3, 6652773), (9, 2217591), (23, 867753), (27, 739197), (69, 289251), (81, 246399), (207, 96417), (243, 82133), (621, 32139), (1863, 10713), (3571, 5589)]