19916218

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74873}}^1$

素因数の和:74901

約数の個数: 16

約数和(自身を含む): 35939520

約数和(自身を除く): 16023302

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74873, 149746, 524111, 1048222, 1422587, 2845174, 9958109, 19916218]

約数ペア:

[(1, 19916218), (2, 9958109), (7, 2845174), (14, 1422587), (19, 1048222), (38, 524111), (133, 149746), (266, 74873)]