19432080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 66069432

約数和(自身を除く): 46637352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 137, 144, 180, 197, 240, 274, 360, 394, 411, 548, 591, 685, 720, 788, 822, 985, 1096, 1182, 1233, 1370, 1576, 1644, 1773, 1970, 2055, 2192, 2364, 2466, 2740, 2955, 3152, 3288, 3546, 3940, 4110, 4728, 4932, 5480, 5910, 6165, 6576, 7092, 7880, 8220, 8865, 9456, 9864, 10960, 11820, 12330, 14184, 15760, 16440, 17730, 19728, 23640, 24660, 26989, 28368, 32880, 35460, 47280, 49320, 53978, 70920, 80967, 98640, 107956, 134945, 141840, 161934, 215912, 242901, 269890, 323868, 404835, 431824, 485802, 539780, 647736, 809670, 971604, 1079560, 1214505, 1295472, 1619340, 1943208, 2159120, 2429010, 3238680, 3886416, 4858020, 6477360, 9716040, 19432080]

約数ペア:

[(1, 19432080), (2, 9716040), (3, 6477360), (4, 4858020), (5, 3886416), (6, 3238680), (8, 2429010), (9, 2159120), (10, 1943208), (12, 1619340), (15, 1295472), (16, 1214505), (18, 1079560), (20, 971604), (24, 809670), (30, 647736), (36, 539780), (40, 485802), (45, 431824), (48, 404835), (60, 323868), (72, 269890), (80, 242901), (90, 215912), (120, 161934), (137, 141840), (144, 134945), (180, 107956), (197, 98640), (240, 80967), (274, 70920), (360, 53978), (394, 49320), (411, 47280), (548, 35460), (591, 32880), (685, 28368), (720, 26989), (788, 24660), (822, 23640), (985, 19728), (1096, 17730), (1182, 16440), (1233, 15760), (1370, 14184), (1576, 12330), (1644, 11820), (1773, 10960), (1970, 9864), (2055, 9456), (2192, 8865), (2364, 8220), (2466, 7880), (2740, 7092), (2955, 6576), (3152, 6165), (3288, 5910), (3546, 5480), (3940, 4932), (4110, 4728)]