19388760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161573}}^1$

素因数の和:161587

約数の個数: 32

約数和(自身を含む): 58166640

約数和(自身を除く): 38777880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161573, 323146, 484719, 646292, 807865, 969438, 1292584, 1615730, 1938876, 2423595, 3231460, 3877752, 4847190, 6462920, 9694380, 19388760]

約数ペア:

[(1, 19388760), (2, 9694380), (3, 6462920), (4, 4847190), (5, 3877752), (6, 3231460), (8, 2423595), (10, 1938876), (12, 1615730), (15, 1292584), (20, 969438), (24, 807865), (30, 646292), (40, 484719), (60, 323146), (120, 161573)]