2011019945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1\times {\mathrm{1459}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 2775168000

約数和(自身を除く): 764148055

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1319, 1459, 6595, 7295, 14509, 16049, 25061, 27721, 72545, 80245, 125305, 138605, 275671, 304931, 1378355, 1524655, 1924421, 9622105, 21168631, 36563999, 105843155, 182819995, 402203989, 2011019945]

約数ペア:

[(1, 2011019945), (5, 402203989), (11, 182819995), (19, 105843155), (55, 36563999), (95, 21168631), (209, 9622105), (1045, 1924421), (1319, 1524655), (1459, 1378355), (6595, 304931), (7295, 275671), (14509, 138605), (16049, 125305), (25061, 80245), (27721, 72545)]