19828140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330469}}^1$

素因数の和:330481

約数の個数: 24

約数和(自身を含む): 55518960

約数和(自身を除く): 35690820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330469, 660938, 991407, 1321876, 1652345, 1982814, 3304690, 3965628, 4957035, 6609380, 9914070, 19828140]

約数ペア:

[(1, 19828140), (2, 9914070), (3, 6609380), (4, 4957035), (5, 3965628), (6, 3304690), (10, 1982814), (12, 1652345), (15, 1321876), (20, 991407), (30, 660938), (60, 330469)]