18420420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{911}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 33366588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 911, 1011, 1348, 1685, 1822, 2022, 2733, 3370, 3644, 4044, 4555, 5055, 5466, 6740, 9110, 10110, 10932, 13665, 18220, 20220, 27330, 54660, 307007, 614014, 921021, 1228028, 1535035, 1842042, 3070070, 3684084, 4605105, 6140140, 9210210, 18420420]

約数ペア:

[(1, 18420420), (2, 9210210), (3, 6140140), (4, 4605105), (5, 3684084), (6, 3070070), (10, 1842042), (12, 1535035), (15, 1228028), (20, 921021), (30, 614014), (60, 307007), (337, 54660), (674, 27330), (911, 20220), (1011, 18220), (1348, 13665), (1685, 10932), (1822, 10110), (2022, 9110), (2733, 6740), (3370, 5466), (3644, 5055), (4044, 4555)]