18968642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3329}}^1$

素因数の和:3386

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 17474878

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3329, 5698, 6658, 23303, 36619, 46606, 73238, 123173, 246346, 256333, 512666, 862211, 1354903, 1724422, 2709806, 9484321, 18968642]

約数ペア:

[(1, 18968642), (2, 9484321), (7, 2709806), (11, 1724422), (14, 1354903), (22, 862211), (37, 512666), (74, 256333), (77, 246346), (154, 123173), (259, 73238), (407, 46606), (518, 36619), (814, 23303), (2849, 6658), (3329, 5698)]