19314972486

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{521153}}^1$

素因数の和:521261

約数の個数: 48

約数和(自身を含む): 43902012960

約数和(自身を除く): 24587040474

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 71, 87, 142, 174, 213, 261, 426, 522, 639, 1278, 2059, 4118, 6177, 12354, 18531, 37062, 521153, 1042306, 1563459, 3126918, 4690377, 9380754, 15113437, 30226874, 37001863, 45340311, 74003726, 90680622, 111005589, 136020933, 222011178, 272041866, 333016767, 666033534, 1073054027, 2146108054, 3219162081, 6438324162, 9657486243, 19314972486]

約数ペア:

[(1, 19314972486), (2, 9657486243), (3, 6438324162), (6, 3219162081), (9, 2146108054), (18, 1073054027), (29, 666033534), (58, 333016767), (71, 272041866), (87, 222011178), (142, 136020933), (174, 111005589), (213, 90680622), (261, 74003726), (426, 45340311), (522, 37001863), (639, 30226874), (1278, 15113437), (2059, 9380754), (4118, 4690377), (6177, 3126918), (12354, 1563459), (18531, 1042306), (37062, 521153)]