19532019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 30257920

約数和(自身を除く): 10725901

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 613, 741, 817, 1677, 1839, 2451, 7969, 10621, 11647, 23907, 26359, 31863, 34941, 79077, 151411, 342667, 454233, 500821, 1028001, 1502463, 6510673, 19532019]

約数ペア:

[(1, 19532019), (3, 6510673), (13, 1502463), (19, 1028001), (39, 500821), (43, 454233), (57, 342667), (129, 151411), (247, 79077), (559, 34941), (613, 31863), (741, 26359), (817, 23907), (1677, 11647), (1839, 10621), (2451, 7969)]