19005137721

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{358459}}^1$

素因数の和:358645

約数の個数: 24

約数和(自身を含む): 28295398560

約数和(自身を除く): 9290260839

約数列:

[1, 3, 9, 43, 129, 137, 387, 411, 1233, 5891, 17673, 53019, 358459, 1075377, 3226131, 15413737, 46241211, 49108883, 138723633, 147326649, 441979947, 2111681969, 6335045907, 19005137721]

約数ペア:

[(1, 19005137721), (3, 6335045907), (9, 2111681969), (43, 441979947), (129, 147326649), (137, 138723633), (387, 49108883), (411, 46241211), (1233, 15413737), (5891, 3226131), (17673, 1075377), (53019, 358459)]