18561392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 37646400

約数和(自身を除く): 19085008

約数列:

[1, 2, 4, 8, 16, 29, 58, 109, 116, 218, 232, 367, 436, 464, 734, 872, 1468, 1744, 2936, 3161, 5872, 6322, 10643, 12644, 21286, 25288, 40003, 42572, 50576, 80006, 85144, 160012, 170288, 320024, 640048, 1160087, 2320174, 4640348, 9280696, 18561392]

約数ペア:

[(1, 18561392), (2, 9280696), (4, 4640348), (8, 2320174), (16, 1160087), (29, 640048), (58, 320024), (109, 170288), (116, 160012), (218, 85144), (232, 80006), (367, 50576), (436, 42572), (464, 40003), (734, 25288), (872, 21286), (1468, 12644), (1744, 10643), (2936, 6322), (3161, 5872)]