18862281

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{6529}}^1$

素因数の和:6645

約数の個数: 16

約数和(自身を含む): 28209600

約数和(自身を除く): 9347319

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 6529, 19587, 58761, 176283, 698603, 2095809, 6287427, 18862281]

約数ペア:

[(1, 18862281), (3, 6287427), (9, 2095809), (27, 698603), (107, 176283), (321, 58761), (963, 19587), (2889, 6529)]