18389121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 27641088

約数和(自身を除く): 9251967

約数列:

[1, 3, 17, 23, 51, 61, 69, 183, 257, 391, 771, 1037, 1173, 1403, 3111, 4209, 4369, 5911, 13107, 15677, 17733, 23851, 47031, 71553, 100487, 266509, 301461, 360571, 799527, 1081713, 6129707, 18389121]

約数ペア:

[(1, 18389121), (3, 6129707), (17, 1081713), (23, 799527), (51, 360571), (61, 301461), (69, 266509), (183, 100487), (257, 71553), (391, 47031), (771, 23851), (1037, 17733), (1173, 15677), (1403, 13107), (3111, 5911), (4209, 4369)]