18557765709

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2735923}}^1$

素因数の和:2735969

約数の個数: 32

約数和(自身を含む): 31517844480

約数和(自身を除く): 12960078771

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 2735923, 8207769, 19151461, 46510691, 51982537, 57454383, 139532073, 155947611, 325574837, 363877759, 883703129, 976724511, 1091633277, 2651109387, 6185921903, 18557765709]

約数ペア:

[(1, 18557765709), (3, 6185921903), (7, 2651109387), (17, 1091633277), (19, 976724511), (21, 883703129), (51, 363877759), (57, 325574837), (119, 155947611), (133, 139532073), (323, 57454383), (357, 51982537), (399, 46510691), (969, 19151461), (2261, 8207769), (6783, 2735923)]