20180818707

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{8737}}^1$

素因数の和:9600

約数の個数: 48

約数和(自身を含む): 32991891840

約数和(自身を除く): 12811073133

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 827, 931, 2481, 2793, 5789, 8737, 15713, 17367, 26211, 40523, 47139, 61159, 109991, 121569, 166003, 183477, 329973, 428113, 498009, 769937, 1162021, 1284339, 2309811, 3486063, 7225499, 8134147, 21676497, 24402441, 50578493, 137284481, 151735479, 354049451, 411853443, 960991367, 1062148353, 2882974101, 6726939569, 20180818707]

約数ペア:

[(1, 20180818707), (3, 6726939569), (7, 2882974101), (19, 1062148353), (21, 960991367), (49, 411853443), (57, 354049451), (133, 151735479), (147, 137284481), (399, 50578493), (827, 24402441), (931, 21676497), (2481, 8134147), (2793, 7225499), (5789, 3486063), (8737, 2309811), (15713, 1284339), (17367, 1162021), (26211, 769937), (40523, 498009), (47139, 428113), (61159, 329973), (109991, 183477), (121569, 166003)]