19165707

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 12491253

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1373, 1551, 4119, 4653, 12357, 13959, 15103, 37071, 45309, 64531, 135927, 193593, 407781, 580779, 709841, 1742337, 2129523, 6388569, 19165707]

約数ペア:

[(1, 19165707), (3, 6388569), (9, 2129523), (11, 1742337), (27, 709841), (33, 580779), (47, 407781), (99, 193593), (141, 135927), (297, 64531), (423, 45309), (517, 37071), (1269, 15103), (1373, 13959), (1551, 12357), (4119, 4653)]