18920874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4133}}^1$

素因数の和:4254

約数の個数: 32

約数和(自身を含む): 43655040

約数和(自身を除く): 24734166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4133, 4578, 8266, 12399, 24798, 28931, 57862, 86793, 173586, 450497, 900994, 1351491, 2702982, 3153479, 6306958, 9460437, 18920874]

約数ペア:

[(1, 18920874), (2, 9460437), (3, 6306958), (6, 3153479), (7, 2702982), (14, 1351491), (21, 900994), (42, 450497), (109, 173586), (218, 86793), (327, 57862), (654, 28931), (763, 24798), (1526, 12399), (2289, 8266), (4133, 4578)]