198378

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 24

約数和(自身を含む): 438048

約数和(自身を除く): 239670

約数列:

[1, 2, 3, 6, 9, 18, 103, 107, 206, 214, 309, 321, 618, 642, 927, 963, 1854, 1926, 11021, 22042, 33063, 66126, 99189, 198378]

約数ペア:

[(1, 198378), (2, 99189), (3, 66126), (6, 33063), (9, 22042), (18, 11021), (103, 1926), (107, 1854), (206, 963), (214, 927), (309, 642), (321, 618)]