19311740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137941}}^1$

素因数の和:137957

約数の個数: 24

約数和(自身を含む): 46348512

約数和(自身を除く): 27036772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137941, 275882, 551764, 689705, 965587, 1379410, 1931174, 2758820, 3862348, 4827935, 9655870, 19311740]

約数ペア:

[(1, 19311740), (2, 9655870), (4, 4827935), (5, 3862348), (7, 2758820), (10, 1931174), (14, 1379410), (20, 965587), (28, 689705), (35, 551764), (70, 275882), (140, 137941)]