18947384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 37946880

約数和(自身を除く): 18999496

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 508, 1016, 1097, 2159, 2194, 4318, 4388, 8636, 8776, 17272, 18649, 37298, 74596, 139319, 149192, 278638, 557276, 1114552, 2368423, 4736846, 9473692, 18947384]

約数ペア:

[(1, 18947384), (2, 9473692), (4, 4736846), (8, 2368423), (17, 1114552), (34, 557276), (68, 278638), (127, 149192), (136, 139319), (254, 74596), (508, 37298), (1016, 18649), (1097, 17272), (2159, 8776), (2194, 8636), (4318, 4388)]