18763312

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 18734288

約数列:

[1, 2, 4, 8, 16, 71, 83, 142, 166, 199, 284, 332, 398, 568, 664, 796, 1136, 1328, 1592, 3184, 5893, 11786, 14129, 16517, 23572, 28258, 33034, 47144, 56516, 66068, 94288, 113032, 132136, 226064, 264272, 1172707, 2345414, 4690828, 9381656, 18763312]

約数ペア:

[(1, 18763312), (2, 9381656), (4, 4690828), (8, 2345414), (16, 1172707), (71, 264272), (83, 226064), (142, 132136), (166, 113032), (199, 94288), (284, 66068), (332, 56516), (398, 47144), (568, 33034), (664, 28258), (796, 23572), (1136, 16517), (1328, 14129), (1592, 11786), (3184, 5893)]