18240208

素因数分解:

$2^4\times 7^1\times {\mathrm{162859}}^1$

素因数の和:162874

約数の個数: 20

約数和(自身を含む): 40389280

約数和(自身を除く): 22149072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 162859, 325718, 651436, 1140013, 1302872, 2280026, 2605744, 4560052, 9120104, 18240208]

約数ペア:

[(1, 18240208), (2, 9120104), (4, 4560052), (7, 2605744), (8, 2280026), (14, 1302872), (16, 1140013), (28, 651436), (56, 325718), (112, 162859)]