19273761

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 31489920

約数和(自身を除く): 12216159

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1277, 1677, 3831, 5031, 11493, 15093, 16601, 34479, 49803, 54911, 149409, 164733, 448227, 494199, 713843, 1482597, 2141529, 6424587, 19273761]

約数ペア:

[(1, 19273761), (3, 6424587), (9, 2141529), (13, 1482597), (27, 713843), (39, 494199), (43, 448227), (117, 164733), (129, 149409), (351, 54911), (387, 49803), (559, 34479), (1161, 16601), (1277, 15093), (1677, 11493), (3831, 5031)]