18702930896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1\times {\mathrm{2543}}^1$

素因数の和:4444

約数の個数: 80

約数和(自身を含む): 41116535040

約数和(自身を除く): 22413604144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1861, 1976, 2543, 3722, 3952, 5086, 7444, 10172, 14888, 20344, 24193, 29776, 33059, 35359, 40688, 48317, 48386, 66118, 70718, 96634, 96772, 132236, 141436, 193268, 193544, 264472, 282872, 386536, 387088, 459667, 528944, 565744, 628121, 773072, 919334, 1256242, 1838668, 2512484, 3677336, 4732523, 5024968, 7354672, 9465046, 10049936, 18930092, 37860184, 61522799, 75720368, 89917937, 123045598, 179835874, 246091196, 359671748, 492182392, 719343496, 984364784, 1168933181, 1438686992, 2337866362, 4675732724, 9351465448, 18702930896]

約数ペア:

[(1, 18702930896), (2, 9351465448), (4, 4675732724), (8, 2337866362), (13, 1438686992), (16, 1168933181), (19, 984364784), (26, 719343496), (38, 492182392), (52, 359671748), (76, 246091196), (104, 179835874), (152, 123045598), (208, 89917937), (247, 75720368), (304, 61522799), (494, 37860184), (988, 18930092), (1861, 10049936), (1976, 9465046), (2543, 7354672), (3722, 5024968), (3952, 4732523), (5086, 3677336), (7444, 2512484), (10172, 1838668), (14888, 1256242), (20344, 919334), (24193, 773072), (29776, 628121), (33059, 565744), (35359, 528944), (40688, 459667), (48317, 387088), (48386, 386536), (66118, 282872), (70718, 264472), (96634, 193544), (96772, 193268), (132236, 141436)]