19398357

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 31536960

約数和(自身を除く): 12138603

約数列:

[1, 3, 9, 11, 33, 47, 99, 121, 141, 363, 379, 423, 517, 1089, 1137, 1551, 3411, 4169, 4653, 5687, 12507, 17061, 17813, 37521, 45859, 51183, 53439, 137577, 160317, 195943, 412731, 587829, 1763487, 2155373, 6466119, 19398357]

約数ペア:

[(1, 19398357), (3, 6466119), (9, 2155373), (11, 1763487), (33, 587829), (47, 412731), (99, 195943), (121, 160317), (141, 137577), (363, 53439), (379, 51183), (423, 45859), (517, 37521), (1089, 17813), (1137, 17061), (1551, 12507), (3411, 5687), (4169, 4653)]