18685844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 34328448

約数和(自身を除く): 15642604

約数列:

[1, 2, 4, 23, 46, 92, 197, 394, 788, 1031, 2062, 4124, 4531, 9062, 18124, 23713, 47426, 94852, 203107, 406214, 812428, 4671461, 9342922, 18685844]

約数ペア:

[(1, 18685844), (2, 9342922), (4, 4671461), (23, 812428), (46, 406214), (92, 203107), (197, 94852), (394, 47426), (788, 23713), (1031, 18124), (2062, 9062), (4124, 4531)]