2019915891

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{230663}}^1$

素因数の和:230815

約数の個数: 24

約数和(自身を含む): 3358467840

約数和(自身を除く): 1338551949

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 230663, 691989, 1614641, 2075967, 4843923, 14531769, 32062157, 96186471, 224435099, 288559413, 673305297, 2019915891]

約数ペア:

[(1, 2019915891), (3, 673305297), (7, 288559413), (9, 224435099), (21, 96186471), (63, 32062157), (139, 14531769), (417, 4843923), (973, 2075967), (1251, 1614641), (2919, 691989), (8757, 230663)]