18224458

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 33200640

約数和(自身を除く): 14976182

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 523, 917, 1046, 1834, 2489, 3661, 4978, 7322, 9937, 17423, 19874, 34846, 68513, 69559, 137026, 139118, 479591, 959182, 1301747, 2603494, 9112229, 18224458]

約数ペア:

[(1, 18224458), (2, 9112229), (7, 2603494), (14, 1301747), (19, 959182), (38, 479591), (131, 139118), (133, 137026), (262, 69559), (266, 68513), (523, 34846), (917, 19874), (1046, 17423), (1834, 9937), (2489, 7322), (3661, 4978)]