19703646

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3389}}^1$

素因数の和:3433

約数の個数: 48

約数和(自身を含む): 47595600

約数和(自身を除く): 27891954

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 306, 323, 342, 646, 969, 1938, 2907, 3389, 5814, 6778, 10167, 20334, 30501, 57613, 61002, 64391, 115226, 128782, 172839, 193173, 345678, 386346, 518517, 579519, 1037034, 1094647, 1159038, 2189294, 3283941, 6567882, 9851823, 19703646]

約数ペア:

[(1, 19703646), (2, 9851823), (3, 6567882), (6, 3283941), (9, 2189294), (17, 1159038), (18, 1094647), (19, 1037034), (34, 579519), (38, 518517), (51, 386346), (57, 345678), (102, 193173), (114, 172839), (153, 128782), (171, 115226), (306, 64391), (323, 61002), (342, 57613), (646, 30501), (969, 20334), (1938, 10167), (2907, 6778), (3389, 5814)]