18971658

素因数分解:

$2^1\times 3^4\times {\mathrm{117109}}^1$

素因数の和:117123

約数の個数: 20

約数和(自身を含む): 42510930

約数和(自身を除く): 23539272

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 117109, 234218, 351327, 702654, 1053981, 2107962, 3161943, 6323886, 9485829, 18971658]

約数ペア:

[(1, 18971658), (2, 9485829), (3, 6323886), (6, 3161943), (9, 2107962), (18, 1053981), (27, 702654), (54, 351327), (81, 234218), (162, 117109)]