19289721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 10103559

約数列:

[1, 3, 11, 33, 41, 53, 123, 159, 269, 451, 583, 807, 1353, 1749, 2173, 2959, 6519, 8877, 11029, 14257, 23903, 33087, 42771, 71709, 121319, 156827, 363957, 470481, 584537, 1753611, 6429907, 19289721]

約数ペア:

[(1, 19289721), (3, 6429907), (11, 1753611), (33, 584537), (41, 470481), (53, 363957), (123, 156827), (159, 121319), (269, 71709), (451, 42771), (583, 33087), (807, 23903), (1353, 14257), (1749, 11029), (2173, 8877), (2959, 6519)]