18368493

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 11048979

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 911, 1551, 1833, 2733, 6721, 10021, 11843, 20163, 30063, 35529, 42817, 128451, 130273, 390819, 470987, 556621, 1412961, 1669863, 6122831, 18368493]

約数ペア:

[(1, 18368493), (3, 6122831), (11, 1669863), (13, 1412961), (33, 556621), (39, 470987), (47, 390819), (141, 130273), (143, 128451), (429, 42817), (517, 35529), (611, 30063), (911, 20163), (1551, 11843), (1833, 10021), (2733, 6721)]