2018991205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{276007}}^1$

素因数の和:276049

約数の個数: 32

約数和(自身を含む): 3179612160

約数和(自身を除く): 1160620955

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 276007, 1380035, 1932049, 3036077, 5244133, 9660245, 15180385, 21252539, 26220665, 36708931, 57685463, 106262695, 183544655, 288427315, 403798241, 2018991205]

約数ペア:

[(1, 2018991205), (5, 403798241), (7, 288427315), (11, 183544655), (19, 106262695), (35, 57685463), (55, 36708931), (77, 26220665), (95, 21252539), (133, 15180385), (209, 9660245), (385, 5244133), (665, 3036077), (1045, 1932049), (1463, 1380035), (7315, 276007)]