19207972

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22129}}^1$

素因数の和:22171

約数の個数: 24

約数和(自身を含む): 39656960

約数和(自身を除く): 20448988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22129, 44258, 88516, 154903, 309806, 619612, 685999, 1371998, 2743996, 4801993, 9603986, 19207972]

約数ペア:

[(1, 19207972), (2, 9603986), (4, 4801993), (7, 2743996), (14, 1371998), (28, 685999), (31, 619612), (62, 309806), (124, 154903), (217, 88516), (434, 44258), (868, 22129)]