20190942

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 25214418

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 109, 123, 218, 246, 251, 327, 369, 502, 654, 738, 753, 981, 1506, 1962, 2259, 4469, 4518, 8938, 10291, 13407, 20582, 26814, 27359, 30873, 40221, 54718, 61746, 80442, 82077, 92619, 164154, 185238, 246231, 492462, 1121719, 2243438, 3365157, 6730314, 10095471, 20190942]

約数ペア:

[(1, 20190942), (2, 10095471), (3, 6730314), (6, 3365157), (9, 2243438), (18, 1121719), (41, 492462), (82, 246231), (109, 185238), (123, 164154), (218, 92619), (246, 82077), (251, 80442), (327, 61746), (369, 54718), (502, 40221), (654, 30873), (738, 27359), (753, 26814), (981, 20582), (1506, 13407), (1962, 10291), (2259, 8938), (4469, 4518)]