18825086

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18914434

約数列:

[1, 2, 7, 14, 17, 19, 23, 34, 38, 46, 119, 133, 161, 181, 238, 266, 322, 323, 362, 391, 437, 646, 782, 874, 1267, 2261, 2534, 2737, 3059, 3077, 3439, 4163, 4522, 5474, 6118, 6154, 6878, 7429, 8326, 14858, 21539, 24073, 29141, 43078, 48146, 52003, 58282, 58463, 70771, 79097, 104006, 116926, 141542, 158194, 409241, 495397, 553679, 818482, 990794, 1107358, 1344649, 2689298, 9412543, 18825086]

約数ペア:

[(1, 18825086), (2, 9412543), (7, 2689298), (14, 1344649), (17, 1107358), (19, 990794), (23, 818482), (34, 553679), (38, 495397), (46, 409241), (119, 158194), (133, 141542), (161, 116926), (181, 104006), (238, 79097), (266, 70771), (322, 58463), (323, 58282), (362, 52003), (391, 48146), (437, 43078), (646, 29141), (782, 24073), (874, 21539), (1267, 14858), (2261, 8326), (2534, 7429), (2737, 6878), (3059, 6154), (3077, 6118), (3439, 5474), (4163, 4522)]