2109654322

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{278981}}^1$

素因数の和:279201

約数の個数: 16

約数和(自身を含む): 3347784000

約数和(自身を除く): 1238129678

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 278981, 557962, 5300639, 10601278, 55517219, 111034438, 1054827161, 2109654322]

約数ペア:

[(1, 2109654322), (2, 1054827161), (19, 111034438), (38, 55517219), (199, 10601278), (398, 5300639), (3781, 557962), (7562, 278981)]