19932577

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2053}}^1$

素因数の和:2152

約数の個数: 16

約数和(自身を含む): 24319360

約数和(自身を除く): 4386783

約数列:

[1, 7, 19, 73, 133, 511, 1387, 2053, 9709, 14371, 39007, 149869, 273049, 1049083, 2847511, 19932577]

約数ペア:

[(1, 19932577), (7, 2847511), (19, 1049083), (73, 273049), (133, 149869), (511, 39007), (1387, 14371), (2053, 9709)]