19509268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1021}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 36313704

約数和(自身を除く): 16804436

約数列:

[1, 2, 4, 17, 34, 68, 281, 562, 1021, 1124, 2042, 4084, 4777, 9554, 17357, 19108, 34714, 69428, 286901, 573802, 1147604, 4877317, 9754634, 19509268]

約数ペア:

[(1, 19509268), (2, 9754634), (4, 4877317), (17, 1147604), (34, 573802), (68, 286901), (281, 69428), (562, 34714), (1021, 19108), (1124, 17357), (2042, 9554), (4084, 4777)]