18919782

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1170

約数の個数: 72

約数和(自身を含む): 50239800

約数和(自身を除く): 31320018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1129, 1197, 1862, 2258, 2394, 2793, 3387, 5586, 6774, 7903, 8379, 10161, 15806, 16758, 20322, 21451, 23709, 42902, 47418, 55321, 64353, 71127, 110642, 128706, 142254, 150157, 165963, 193059, 300314, 331926, 386118, 450471, 497889, 900942, 995778, 1051099, 1351413, 2102198, 2702826, 3153297, 6306594, 9459891, 18919782]

約数ペア:

[(1, 18919782), (2, 9459891), (3, 6306594), (6, 3153297), (7, 2702826), (9, 2102198), (14, 1351413), (18, 1051099), (19, 995778), (21, 900942), (38, 497889), (42, 450471), (49, 386118), (57, 331926), (63, 300314), (98, 193059), (114, 165963), (126, 150157), (133, 142254), (147, 128706), (171, 110642), (266, 71127), (294, 64353), (342, 55321), (399, 47418), (441, 42902), (798, 23709), (882, 21451), (931, 20322), (1129, 16758), (1197, 15806), (1862, 10161), (2258, 8379), (2394, 7903), (2793, 6774), (3387, 5586)]