19138311

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2909}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 29961360

約数和(自身を除く): 10823049

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 2909, 6579, 8727, 26181, 49453, 125087, 148359, 375261, 445077, 1125783, 2126479, 6379437, 19138311]

約数ペア:

[(1, 19138311), (3, 6379437), (9, 2126479), (17, 1125783), (43, 445077), (51, 375261), (129, 148359), (153, 125087), (387, 49453), (731, 26181), (2193, 8727), (2909, 6579)]