18939852

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 49460320

約数和(自身を除く): 30520468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1117, 1413, 1884, 2234, 2826, 3351, 4239, 4468, 5652, 6702, 8478, 10053, 13404, 16956, 20106, 30159, 40212, 60318, 120636, 175369, 350738, 526107, 701476, 1052214, 1578321, 2104428, 3156642, 4734963, 6313284, 9469926, 18939852]

約数ペア:

[(1, 18939852), (2, 9469926), (3, 6313284), (4, 4734963), (6, 3156642), (9, 2104428), (12, 1578321), (18, 1052214), (27, 701476), (36, 526107), (54, 350738), (108, 175369), (157, 120636), (314, 60318), (471, 40212), (628, 30159), (942, 20106), (1117, 16956), (1413, 13404), (1884, 10053), (2234, 8478), (2826, 6702), (3351, 5652), (4239, 4468)]