19847723

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4344277

約数列:

[1, 7, 19, 79, 133, 553, 1501, 1889, 10507, 13223, 35891, 149231, 251237, 1044617, 2835389, 19847723]

約数ペア:

[(1, 19847723), (7, 2835389), (19, 1044617), (79, 251237), (133, 149231), (553, 35891), (1501, 13223), (1889, 10507)]