19555731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 36

約数和(自身を含む): 32174688

約数和(自身を除く): 12618957

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 361, 463, 741, 1083, 1389, 2223, 3249, 4167, 4693, 6019, 8797, 14079, 18057, 26391, 42237, 54171, 79173, 114361, 167143, 343083, 501429, 1029249, 1504287, 2172859, 6518577, 19555731]

約数ペア:

[(1, 19555731), (3, 6518577), (9, 2172859), (13, 1504287), (19, 1029249), (39, 501429), (57, 343083), (117, 167143), (171, 114361), (247, 79173), (361, 54171), (463, 42237), (741, 26391), (1083, 18057), (1389, 14079), (2223, 8797), (3249, 6019), (4167, 4693)]