19810014

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1567}}^1$

素因数の和:1629

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 27380514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1567, 1806, 2107, 3134, 4214, 4701, 6321, 9402, 10969, 12642, 21938, 32907, 65814, 67381, 76783, 134762, 153566, 202143, 230349, 404286, 460698, 471667, 943334, 1415001, 2830002, 3301669, 6603338, 9905007, 19810014]

約数ペア:

[(1, 19810014), (2, 9905007), (3, 6603338), (6, 3301669), (7, 2830002), (14, 1415001), (21, 943334), (42, 471667), (43, 460698), (49, 404286), (86, 230349), (98, 202143), (129, 153566), (147, 134762), (258, 76783), (294, 67381), (301, 65814), (602, 32907), (903, 21938), (1567, 12642), (1806, 10969), (2107, 9402), (3134, 6321), (4214, 4701)]