17939289978

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{223009}}^1$

素因数の和:223167

約数の個数: 48

約数和(自身を含む): 40181941800

約数和(自身を除く): 22242651822

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 109, 123, 218, 246, 327, 369, 654, 738, 981, 1962, 4469, 8938, 13407, 26814, 40221, 80442, 223009, 446018, 669027, 1338054, 2007081, 4014162, 9143369, 18286738, 24307981, 27430107, 48615962, 54860214, 72923943, 82290321, 145847886, 164580642, 218771829, 437543658, 996627221, 1993254442, 2989881663, 5979763326, 8969644989, 17939289978]

約数ペア:

[(1, 17939289978), (2, 8969644989), (3, 5979763326), (6, 2989881663), (9, 1993254442), (18, 996627221), (41, 437543658), (82, 218771829), (109, 164580642), (123, 145847886), (218, 82290321), (246, 72923943), (327, 54860214), (369, 48615962), (654, 27430107), (738, 24307981), (981, 18286738), (1962, 9143369), (4469, 4014162), (8938, 2007081), (13407, 1338054), (26814, 669027), (40221, 446018), (80442, 223009)]