18991716

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 48168960

約数和(自身を除く): 29177244

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 1178, 1767, 2356, 2687, 3534, 5374, 7068, 8061, 10748, 16122, 32244, 51053, 83297, 102106, 153159, 166594, 204212, 249891, 306318, 333188, 499782, 612636, 999564, 1582643, 3165286, 4747929, 6330572, 9495858, 18991716]

約数ペア:

[(1, 18991716), (2, 9495858), (3, 6330572), (4, 4747929), (6, 3165286), (12, 1582643), (19, 999564), (31, 612636), (38, 499782), (57, 333188), (62, 306318), (76, 249891), (93, 204212), (114, 166594), (124, 153159), (186, 102106), (228, 83297), (372, 51053), (589, 32244), (1178, 16122), (1767, 10748), (2356, 8061), (2687, 7068), (3534, 5374)]