18870249

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7699}}^1$

素因数の和:7764

約数の個数: 16

約数和(自身を含む): 27104000

約数和(自身を除く): 8233751

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7699, 23097, 146281, 331057, 438843, 993171, 6290083, 18870249]

約数ペア:

[(1, 18870249), (3, 6290083), (19, 993171), (43, 438843), (57, 331057), (129, 146281), (817, 23097), (2451, 7699)]