19684791

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1871}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 32707584

約数和(自身を除く): 13022793

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 1871, 3507, 5613, 10521, 13097, 16839, 39291, 117873, 312457, 937371, 2187199, 2812113, 6561597, 19684791]

約数ペア:

[(1, 19684791), (3, 6561597), (7, 2812113), (9, 2187199), (21, 937371), (63, 312457), (167, 117873), (501, 39291), (1169, 16839), (1503, 13097), (1871, 10521), (3507, 5613)]