19503386

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 37526976

約数和(自身を除く): 18023590

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 227, 238, 266, 323, 361, 454, 646, 722, 1589, 2261, 2527, 3178, 3859, 4313, 4522, 5054, 6137, 7718, 8626, 12274, 27013, 30191, 42959, 54026, 60382, 73321, 81947, 85918, 146642, 163894, 513247, 573629, 1026494, 1147258, 1393099, 2786198, 9751693, 19503386]

約数ペア:

[(1, 19503386), (2, 9751693), (7, 2786198), (14, 1393099), (17, 1147258), (19, 1026494), (34, 573629), (38, 513247), (119, 163894), (133, 146642), (227, 85918), (238, 81947), (266, 73321), (323, 60382), (361, 54026), (454, 42959), (646, 30191), (722, 27013), (1589, 12274), (2261, 8626), (2527, 7718), (3178, 6137), (3859, 5054), (4313, 4522)]