18785888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 40896576

約数和(自身を除く): 22110688

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 643, 664, 913, 1286, 1328, 1826, 2572, 2656, 3652, 5144, 7073, 7304, 10288, 14146, 14608, 20576, 28292, 29216, 53369, 56584, 106738, 113168, 213476, 226336, 426952, 587059, 853904, 1174118, 1707808, 2348236, 4696472, 9392944, 18785888]

約数ペア:

[(1, 18785888), (2, 9392944), (4, 4696472), (8, 2348236), (11, 1707808), (16, 1174118), (22, 853904), (32, 587059), (44, 426952), (83, 226336), (88, 213476), (166, 113168), (176, 106738), (332, 56584), (352, 53369), (643, 29216), (664, 28292), (913, 20576), (1286, 14608), (1328, 14146), (1826, 10288), (2572, 7304), (2656, 7073), (3652, 5144)]