18141352

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 37216800

約数和(自身を除く): 19075448

約数列:

[1, 2, 4, 8, 19, 38, 41, 71, 76, 82, 142, 152, 164, 284, 328, 568, 779, 1349, 1558, 1681, 2698, 2911, 3116, 3362, 5396, 5822, 6232, 6724, 10792, 11644, 13448, 23288, 31939, 55309, 63878, 110618, 119351, 127756, 221236, 238702, 255512, 442472, 477404, 954808, 2267669, 4535338, 9070676, 18141352]

約数ペア:

[(1, 18141352), (2, 9070676), (4, 4535338), (8, 2267669), (19, 954808), (38, 477404), (41, 442472), (71, 255512), (76, 238702), (82, 221236), (142, 127756), (152, 119351), (164, 110618), (284, 63878), (328, 55309), (568, 31939), (779, 23288), (1349, 13448), (1558, 11644), (1681, 10792), (2698, 6724), (2911, 6232), (3116, 5822), (3362, 5396)]