19514488

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 24837512

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 109, 139, 161, 184, 218, 278, 322, 436, 556, 644, 763, 872, 973, 1112, 1288, 1526, 1946, 2507, 3052, 3197, 3892, 5014, 6104, 6394, 7784, 10028, 12788, 15151, 17549, 20056, 22379, 25576, 30302, 35098, 44758, 60604, 70196, 89516, 106057, 121208, 140392, 179032, 212114, 348473, 424228, 696946, 848456, 1393892, 2439311, 2787784, 4878622, 9757244, 19514488]

約数ペア:

[(1, 19514488), (2, 9757244), (4, 4878622), (7, 2787784), (8, 2439311), (14, 1393892), (23, 848456), (28, 696946), (46, 424228), (56, 348473), (92, 212114), (109, 179032), (139, 140392), (161, 121208), (184, 106057), (218, 89516), (278, 70196), (322, 60604), (436, 44758), (556, 35098), (644, 30302), (763, 25576), (872, 22379), (973, 20056), (1112, 17549), (1288, 15151), (1526, 12788), (1946, 10028), (2507, 7784), (3052, 6394), (3197, 6104), (3892, 5014)]