18273976

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 22783304

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 53, 56, 94, 106, 131, 188, 212, 262, 329, 371, 376, 424, 524, 658, 742, 917, 1048, 1316, 1484, 1834, 2491, 2632, 2968, 3668, 4982, 6157, 6943, 7336, 9964, 12314, 13886, 17437, 19928, 24628, 27772, 34874, 43099, 48601, 49256, 55544, 69748, 86198, 97202, 139496, 172396, 194404, 326321, 344792, 388808, 652642, 1305284, 2284247, 2610568, 4568494, 9136988, 18273976]

約数ペア:

[(1, 18273976), (2, 9136988), (4, 4568494), (7, 2610568), (8, 2284247), (14, 1305284), (28, 652642), (47, 388808), (53, 344792), (56, 326321), (94, 194404), (106, 172396), (131, 139496), (188, 97202), (212, 86198), (262, 69748), (329, 55544), (371, 49256), (376, 48601), (424, 43099), (524, 34874), (658, 27772), (742, 24628), (917, 19928), (1048, 17437), (1316, 13886), (1484, 12314), (1834, 9964), (2491, 7336), (2632, 6943), (2968, 6157), (3668, 4982)]