19343387

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 24076800

約数和(自身を除く): 4733413

約数列:

[1, 7, 19, 49, 79, 133, 263, 553, 931, 1501, 1841, 3871, 4997, 10507, 12887, 20777, 34979, 73549, 145439, 244853, 394763, 1018073, 2763341, 19343387]

約数ペア:

[(1, 19343387), (7, 2763341), (19, 1018073), (49, 394763), (79, 244853), (133, 145439), (263, 73549), (553, 34979), (931, 20777), (1501, 12887), (1841, 10507), (3871, 4997)]