18432208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 37144448

約数和(自身を除く): 18712240

約数列:

[1, 2, 4, 8, 16, 43, 73, 86, 146, 172, 292, 344, 367, 584, 688, 734, 1168, 1468, 2936, 3139, 5872, 6278, 12556, 15781, 25112, 26791, 31562, 50224, 53582, 63124, 107164, 126248, 214328, 252496, 428656, 1152013, 2304026, 4608052, 9216104, 18432208]

約数ペア:

[(1, 18432208), (2, 9216104), (4, 4608052), (8, 2304026), (16, 1152013), (43, 428656), (73, 252496), (86, 214328), (146, 126248), (172, 107164), (292, 63124), (344, 53582), (367, 50224), (584, 31562), (688, 26791), (734, 25112), (1168, 15781), (1468, 12556), (2936, 6278), (3139, 5872)]