18228501

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 27449760

約数和(自身を除く): 9221259

約数列:

[1, 3, 9, 29, 87, 211, 261, 331, 633, 993, 1899, 2979, 6119, 9599, 18357, 28797, 55071, 69841, 86391, 209523, 628569, 2025389, 6076167, 18228501]

約数ペア:

[(1, 18228501), (3, 6076167), (9, 2025389), (29, 628569), (87, 209523), (211, 86391), (261, 69841), (331, 55071), (633, 28797), (993, 18357), (1899, 9599), (2979, 6119)]