18067719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 27108864

約数和(自身を除く): 9041145

約数列:

[1, 3, 17, 23, 51, 69, 73, 211, 219, 391, 633, 1173, 1241, 1679, 3587, 3723, 4853, 5037, 10761, 14559, 15403, 28543, 46209, 82501, 85629, 247503, 261851, 354269, 785553, 1062807, 6022573, 18067719]

約数ペア:

[(1, 18067719), (3, 6022573), (17, 1062807), (23, 785553), (51, 354269), (69, 261851), (73, 247503), (211, 85629), (219, 82501), (391, 46209), (633, 28543), (1173, 15403), (1241, 14559), (1679, 10761), (3587, 5037), (3723, 4853)]