19877876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 38045280

約数和(自身を除く): 18167404

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 311, 551, 622, 841, 1102, 1244, 1682, 2204, 3364, 5909, 9019, 11818, 15979, 18038, 23636, 31958, 36076, 63916, 171361, 261551, 342722, 523102, 685444, 1046204, 4969469, 9938938, 19877876]

約数ペア:

[(1, 19877876), (2, 9938938), (4, 4969469), (19, 1046204), (29, 685444), (38, 523102), (58, 342722), (76, 261551), (116, 171361), (311, 63916), (551, 36076), (622, 31958), (841, 23636), (1102, 18038), (1244, 15979), (1682, 11818), (2204, 9019), (3364, 5909)]