18728041284

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{132137}}^1$

素因数の和:132305

約数の個数: 72

約数和(自身を含む): 49252589568

約数和(自身を除く): 30524548284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 254, 279, 372, 381, 508, 558, 762, 1116, 1143, 1524, 2286, 3937, 4572, 7874, 11811, 15748, 23622, 35433, 47244, 70866, 132137, 141732, 264274, 396411, 528548, 792822, 1189233, 1585644, 2378466, 4096247, 4756932, 8192494, 12288741, 16384988, 16781399, 24577482, 33562798, 36866223, 49154964, 50344197, 67125596, 73732446, 100688394, 147464892, 151032591, 201376788, 302065182, 520223369, 604130364, 1040446738, 1560670107, 2080893476, 3121340214, 4682010321, 6242680428, 9364020642, 18728041284]

約数ペア:

[(1, 18728041284), (2, 9364020642), (3, 6242680428), (4, 4682010321), (6, 3121340214), (9, 2080893476), (12, 1560670107), (18, 1040446738), (31, 604130364), (36, 520223369), (62, 302065182), (93, 201376788), (124, 151032591), (127, 147464892), (186, 100688394), (254, 73732446), (279, 67125596), (372, 50344197), (381, 49154964), (508, 36866223), (558, 33562798), (762, 24577482), (1116, 16781399), (1143, 16384988), (1524, 12288741), (2286, 8192494), (3937, 4756932), (4572, 4096247), (7874, 2378466), (11811, 1585644), (15748, 1189233), (23622, 792822), (35433, 528548), (47244, 396411), (70866, 264274), (132137, 141732)]