18988140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{316469}}^1$

素因数の和:316481

約数の個数: 24

約数和(自身を含む): 53166960

約数和(自身を除く): 34178820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 316469, 632938, 949407, 1265876, 1582345, 1898814, 3164690, 3797628, 4747035, 6329380, 9494070, 18988140]

約数ペア:

[(1, 18988140), (2, 9494070), (3, 6329380), (4, 4747035), (5, 3797628), (6, 3164690), (10, 1898814), (12, 1582345), (15, 1265876), (20, 949407), (30, 632938), (60, 316469)]