18862886

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 14591194

約数列:

[1, 2, 7, 14, 47, 94, 109, 218, 263, 329, 526, 658, 763, 1526, 1841, 3682, 5123, 10246, 12361, 24722, 28667, 35861, 57334, 71722, 86527, 173054, 200669, 401338, 1347349, 2694698, 9431443, 18862886]

約数ペア:

[(1, 18862886), (2, 9431443), (7, 2694698), (14, 1347349), (47, 401338), (94, 200669), (109, 173054), (218, 86527), (263, 71722), (329, 57334), (526, 35861), (658, 28667), (763, 24722), (1526, 12361), (1841, 10246), (3682, 5123)]