19691604

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 51717120

約数和(自身を除く): 32025516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 73, 118, 127, 146, 177, 219, 236, 254, 292, 354, 381, 438, 508, 531, 657, 708, 762, 876, 1062, 1143, 1314, 1524, 2124, 2286, 2628, 4307, 4572, 7493, 8614, 9271, 12921, 14986, 17228, 18542, 22479, 25842, 27813, 29972, 37084, 38763, 44958, 51684, 55626, 67437, 77526, 83439, 89916, 111252, 134874, 155052, 166878, 269748, 333756, 546989, 1093978, 1640967, 2187956, 3281934, 4922901, 6563868, 9845802, 19691604]

約数ペア:

[(1, 19691604), (2, 9845802), (3, 6563868), (4, 4922901), (6, 3281934), (9, 2187956), (12, 1640967), (18, 1093978), (36, 546989), (59, 333756), (73, 269748), (118, 166878), (127, 155052), (146, 134874), (177, 111252), (219, 89916), (236, 83439), (254, 77526), (292, 67437), (354, 55626), (381, 51684), (438, 44958), (508, 38763), (531, 37084), (657, 29972), (708, 27813), (762, 25842), (876, 22479), (1062, 18542), (1143, 17228), (1314, 14986), (1524, 12921), (2124, 9271), (2286, 8614), (2628, 7493), (4307, 4572)]