19990322478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{416413}}^1$

素因数の和:416558

約数の個数: 64

約数和(自身を含む): 51168952320

約数和(自身を除く): 31178629842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 127, 189, 254, 378, 381, 762, 889, 1143, 1778, 2286, 2667, 3429, 5334, 6858, 8001, 16002, 24003, 48006, 416413, 832826, 1249239, 2498478, 2914891, 3747717, 5829782, 7495434, 8744673, 11243151, 17489346, 22486302, 26234019, 52468038, 52884451, 78702057, 105768902, 157404114, 158653353, 317306706, 370191157, 475960059, 740382314, 951920118, 1110573471, 1427880177, 2221146942, 2855760354, 3331720413, 6663440826, 9995161239, 19990322478]

約数ペア:

[(1, 19990322478), (2, 9995161239), (3, 6663440826), (6, 3331720413), (7, 2855760354), (9, 2221146942), (14, 1427880177), (18, 1110573471), (21, 951920118), (27, 740382314), (42, 475960059), (54, 370191157), (63, 317306706), (126, 158653353), (127, 157404114), (189, 105768902), (254, 78702057), (378, 52884451), (381, 52468038), (762, 26234019), (889, 22486302), (1143, 17489346), (1778, 11243151), (2286, 8744673), (2667, 7495434), (3429, 5829782), (5334, 3747717), (6858, 2914891), (8001, 2498478), (16002, 1249239), (24003, 832826), (48006, 416413)]