18379976

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 35691840

約数和(自身を除く): 17311864

約数列:

[1, 2, 4, 8, 53, 67, 106, 134, 212, 268, 424, 536, 647, 1294, 2588, 3551, 5176, 7102, 14204, 28408, 34291, 43349, 68582, 86698, 137164, 173396, 274328, 346792, 2297497, 4594994, 9189988, 18379976]

約数ペア:

[(1, 18379976), (2, 9189988), (4, 4594994), (8, 2297497), (53, 346792), (67, 274328), (106, 173396), (134, 137164), (212, 86698), (268, 68582), (424, 43349), (536, 34291), (647, 28408), (1294, 14204), (2588, 7102), (3551, 5176)]