19490086

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6661}}^1$

素因数の和:6700

約数の個数: 32

約数和(自身を含む): 38373120

約数和(自身を除く): 18883034

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6661, 13322, 46627, 73271, 93254, 126559, 146542, 253118, 512897, 885913, 1025794, 1392149, 1771826, 2784298, 9745043, 19490086]

約数ペア:

[(1, 19490086), (2, 9745043), (7, 2784298), (11, 1771826), (14, 1392149), (19, 1025794), (22, 885913), (38, 512897), (77, 253118), (133, 146542), (154, 126559), (209, 93254), (266, 73271), (418, 46627), (1463, 13322), (2926, 6661)]