19001853

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 36

約数和(自身を含む): 30723420

約数和(自身を除く): 11721567

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 403, 507, 961, 1209, 1521, 2197, 2883, 3627, 5239, 6591, 8649, 12493, 15717, 19773, 37479, 47151, 68107, 112437, 162409, 204321, 487227, 612963, 1461681, 2111317, 6333951, 19001853]

約数ペア:

[(1, 19001853), (3, 6333951), (9, 2111317), (13, 1461681), (31, 612963), (39, 487227), (93, 204321), (117, 162409), (169, 112437), (279, 68107), (403, 47151), (507, 37479), (961, 19773), (1209, 15717), (1521, 12493), (2197, 8649), (2883, 6591), (3627, 5239)]