1999193756

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1\times {\mathrm{2749}}^1$

素因数の和:4146

約数の個数: 48

約数和(自身を含む): 4213440000

約数和(自身を除く): 2214246244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1367, 2734, 2749, 5468, 5498, 9569, 10996, 19138, 19243, 25973, 38276, 38486, 51946, 52231, 76972, 103892, 104462, 181811, 208924, 363622, 365617, 727244, 731234, 1462468, 3757883, 7515766, 15031532, 26305181, 52610362, 71399777, 105220724, 142799554, 285599108, 499798439, 999596878, 1999193756]

約数ペア:

[(1, 1999193756), (2, 999596878), (4, 499798439), (7, 285599108), (14, 142799554), (19, 105220724), (28, 71399777), (38, 52610362), (76, 26305181), (133, 15031532), (266, 7515766), (532, 3757883), (1367, 1462468), (2734, 731234), (2749, 727244), (5468, 365617), (5498, 363622), (9569, 208924), (10996, 181811), (19138, 104462), (19243, 103892), (25973, 76972), (38276, 52231), (38486, 51946)]