19487940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{324799}}^1$

素因数の和:324811

約数の個数: 24

約数和(自身を含む): 54566400

約数和(自身を除く): 35078460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 324799, 649598, 974397, 1299196, 1623995, 1948794, 3247990, 3897588, 4871985, 6495980, 9743970, 19487940]

約数ペア:

[(1, 19487940), (2, 9743970), (3, 6495980), (4, 4871985), (5, 3897588), (6, 3247990), (10, 1948794), (12, 1623995), (15, 1299196), (20, 974397), (30, 649598), (60, 324799)]