19490820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{324847}}^1$

素因数の和:324859

約数の個数: 24

約数和(自身を含む): 54574464

約数和(自身を除く): 35083644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 324847, 649694, 974541, 1299388, 1624235, 1949082, 3248470, 3898164, 4872705, 6496940, 9745410, 19490820]

約数ペア:

[(1, 19490820), (2, 9745410), (3, 6496940), (4, 4872705), (5, 3898164), (6, 3248470), (10, 1949082), (12, 1624235), (15, 1299388), (20, 974541), (30, 649694), (60, 324847)]