19297168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 41309856

約数和(自身を除く): 22012688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1321, 1328, 1826, 2642, 3652, 5284, 7304, 10568, 14531, 14608, 21136, 29062, 58124, 109643, 116248, 219286, 232496, 438572, 877144, 1206073, 1754288, 2412146, 4824292, 9648584, 19297168]

約数ペア:

[(1, 19297168), (2, 9648584), (4, 4824292), (8, 2412146), (11, 1754288), (16, 1206073), (22, 877144), (44, 438572), (83, 232496), (88, 219286), (166, 116248), (176, 109643), (332, 58124), (664, 29062), (913, 21136), (1321, 14608), (1328, 14531), (1826, 10568), (2642, 7304), (3652, 5284)]