18649939

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{4943}}^1$

素因数の和:4975

約数の個数: 16

約数和(自身を含む): 23731200

約数和(自身を除く): 5081261

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 4943, 34601, 54373, 242207, 380611, 1695449, 2664277, 18649939]

約数ペア:

[(1, 18649939), (7, 2664277), (11, 1695449), (49, 380611), (77, 242207), (343, 54373), (539, 34601), (3773, 4943)]