19680916

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 36

約数和(自身を含む): 36789984

約数和(自身を除く): 17109068

約数列:

[1, 2, 4, 23, 46, 71, 92, 131, 142, 262, 284, 524, 529, 1058, 1633, 2116, 3013, 3266, 6026, 6532, 9301, 12052, 18602, 37204, 37559, 69299, 75118, 138598, 150236, 213923, 277196, 427846, 855692, 4920229, 9840458, 19680916]

約数ペア:

[(1, 19680916), (2, 9840458), (4, 4920229), (23, 855692), (46, 427846), (71, 277196), (92, 213923), (131, 150236), (142, 138598), (262, 75118), (284, 69299), (524, 37559), (529, 37204), (1058, 18602), (1633, 12052), (2116, 9301), (3013, 6532), (3266, 6026)]