18870888978

素因数分解:

$2^1\times 3^4\times {\mathrm{20143}}^1\times {\mathrm{5783}}^1$

素因数の和:25940

約数の個数: 40

約数和(自身を含む): 42294181248

約数和(自身を除く): 23423292270

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 5783, 11566, 17349, 20143, 34698, 40286, 52047, 60429, 104094, 120858, 156141, 181287, 312282, 362574, 468423, 543861, 936846, 1087722, 1631583, 3263166, 116486969, 232973938, 349460907, 698921814, 1048382721, 2096765442, 3145148163, 6290296326, 9435444489, 18870888978]

約数ペア:

[(1, 18870888978), (2, 9435444489), (3, 6290296326), (6, 3145148163), (9, 2096765442), (18, 1048382721), (27, 698921814), (54, 349460907), (81, 232973938), (162, 116486969), (5783, 3263166), (11566, 1631583), (17349, 1087722), (20143, 936846), (34698, 543861), (40286, 468423), (52047, 362574), (60429, 312282), (104094, 181287), (120858, 156141)]