19743540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{329059}}^1$

素因数の和:329071

約数の個数: 24

約数和(自身を含む): 55282080

約数和(自身を除く): 35538540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 329059, 658118, 987177, 1316236, 1645295, 1974354, 3290590, 3948708, 4935885, 6581180, 9871770, 19743540]

約数ペア:

[(1, 19743540), (2, 9871770), (3, 6581180), (4, 4935885), (5, 3948708), (6, 3290590), (10, 1974354), (12, 1645295), (15, 1316236), (20, 987177), (30, 658118), (60, 329059)]