18819952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69191}}^1$

素因数の和:69216

約数の個数: 20

約数和(自身を含む): 38609136

約数和(自身を除く): 19789184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69191, 138382, 276764, 553528, 1107056, 1176247, 2352494, 4704988, 9409976, 18819952]

約数ペア:

[(1, 18819952), (2, 9409976), (4, 4704988), (8, 2352494), (16, 1176247), (17, 1107056), (34, 553528), (68, 276764), (136, 138382), (272, 69191)]