19478838

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^2$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 45509688

約数和(自身を除く): 26030850

約数列:

[1, 2, 3, 6, 17, 19, 23, 34, 38, 46, 51, 57, 69, 102, 114, 138, 323, 361, 391, 437, 529, 646, 722, 782, 874, 969, 1058, 1083, 1173, 1311, 1587, 1938, 2166, 2346, 2622, 3174, 6137, 7429, 8303, 8993, 10051, 12274, 14858, 16606, 17986, 18411, 20102, 22287, 24909, 26979, 30153, 36822, 44574, 49818, 53958, 60306, 141151, 170867, 190969, 282302, 341734, 381938, 423453, 512601, 572907, 846906, 1025202, 1145814, 3246473, 6492946, 9739419, 19478838]

約数ペア:

[(1, 19478838), (2, 9739419), (3, 6492946), (6, 3246473), (17, 1145814), (19, 1025202), (23, 846906), (34, 572907), (38, 512601), (46, 423453), (51, 381938), (57, 341734), (69, 282302), (102, 190969), (114, 170867), (138, 141151), (323, 60306), (361, 53958), (391, 49818), (437, 44574), (529, 36822), (646, 30153), (722, 26979), (782, 24909), (874, 22287), (969, 20102), (1058, 18411), (1083, 17986), (1173, 16606), (1311, 14858), (1587, 12274), (1938, 10051), (2166, 8993), (2346, 8303), (2622, 7429), (3174, 6137)]