18572661

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 28986048

約数和(自身を除く): 10413387

約数列:

[1, 3, 9, 23, 47, 69, 83, 141, 207, 249, 423, 529, 747, 1081, 1587, 1909, 3243, 3901, 4761, 5727, 9729, 11703, 17181, 24863, 35109, 43907, 74589, 89723, 131721, 223767, 269169, 395163, 807507, 2063629, 6190887, 18572661]

約数ペア:

[(1, 18572661), (3, 6190887), (9, 2063629), (23, 807507), (47, 395163), (69, 269169), (83, 223767), (141, 131721), (207, 89723), (249, 74589), (423, 43907), (529, 35109), (747, 24863), (1081, 17181), (1587, 11703), (1909, 9729), (3243, 5727), (3901, 4761)]