16642556

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 36867600

約数和(自身を除く): 20225044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 49, 76, 82, 98, 109, 133, 164, 196, 218, 266, 287, 436, 532, 574, 763, 779, 931, 1148, 1526, 1558, 1862, 2009, 2071, 3052, 3116, 3724, 4018, 4142, 4469, 5341, 5453, 8036, 8284, 8938, 10682, 10906, 14497, 17876, 21364, 21812, 28994, 31283, 38171, 57988, 62566, 76342, 84911, 101479, 125132, 152684, 169822, 202958, 218981, 339644, 405916, 437962, 594377, 875924, 1188754, 2377508, 4160639, 8321278, 16642556]

約数ペア:

[(1, 16642556), (2, 8321278), (4, 4160639), (7, 2377508), (14, 1188754), (19, 875924), (28, 594377), (38, 437962), (41, 405916), (49, 339644), (76, 218981), (82, 202958), (98, 169822), (109, 152684), (133, 125132), (164, 101479), (196, 84911), (218, 76342), (266, 62566), (287, 57988), (436, 38171), (532, 31283), (574, 28994), (763, 21812), (779, 21364), (931, 17876), (1148, 14497), (1526, 10906), (1558, 10682), (1862, 8938), (2009, 8284), (2071, 8036), (3052, 5453), (3116, 5341), (3724, 4469), (4018, 4142)]