18999449

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6211}}^1$

素因数の和:6260

約数の個数: 16

約数和(自身を含む): 23854080

約数和(自身を除く): 4854631

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6211, 43477, 118009, 142853, 826063, 999971, 2714207, 18999449]

約数ペア:

[(1, 18999449), (7, 2714207), (19, 999971), (23, 826063), (133, 142853), (161, 118009), (437, 43477), (3059, 6211)]