18900801

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1033}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 29034720

約数和(自身を除く): 10133919

約数列:

[1, 3, 9, 19, 57, 107, 171, 321, 963, 1033, 2033, 3099, 6099, 9297, 18297, 19627, 58881, 110531, 176643, 331593, 994779, 2100089, 6300267, 18900801]

約数ペア:

[(1, 18900801), (3, 6300267), (9, 2100089), (19, 994779), (57, 331593), (107, 176643), (171, 110531), (321, 58881), (963, 19627), (1033, 18297), (2033, 9297), (3099, 6099)]