19387797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 31105536

約数和(自身を除く): 11717739

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1051, 1419, 1677, 3153, 6149, 11561, 13663, 18447, 34683, 40989, 45193, 135579, 150293, 450879, 497123, 587509, 1491369, 1762527, 6462599, 19387797]

約数ペア:

[(1, 19387797), (3, 6462599), (11, 1762527), (13, 1491369), (33, 587509), (39, 497123), (43, 450879), (129, 150293), (143, 135579), (429, 45193), (473, 40989), (559, 34683), (1051, 18447), (1419, 13663), (1677, 11561), (3153, 6149)]