18814923

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 29736960

約数和(自身を除く): 10922037

約数列:

[1, 3, 9, 27, 31, 59, 81, 93, 127, 177, 279, 381, 531, 837, 1143, 1593, 1829, 2511, 3429, 3937, 4779, 5487, 7493, 10287, 11811, 16461, 22479, 35433, 49383, 67437, 106299, 148149, 202311, 232283, 318897, 606933, 696849, 2090547, 6271641, 18814923]

約数ペア:

[(1, 18814923), (3, 6271641), (9, 2090547), (27, 696849), (31, 606933), (59, 318897), (81, 232283), (93, 202311), (127, 148149), (177, 106299), (279, 67437), (381, 49383), (531, 35433), (837, 22479), (1143, 16461), (1593, 11811), (1829, 10287), (2511, 7493), (3429, 5487), (3937, 4779)]