18212139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2679

約数の個数: 24

約数和(自身を含む): 29113344

約数和(自身を除く): 10901205

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2591, 7029, 7773, 23319, 28501, 85503, 183961, 256509, 551883, 1655649, 2023571, 6070713, 18212139]

約数ペア:

[(1, 18212139), (3, 6070713), (9, 2023571), (11, 1655649), (33, 551883), (71, 256509), (99, 183961), (213, 85503), (639, 28501), (781, 23319), (2343, 7773), (2591, 7029)]