18874076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 38083584

約数和(自身を除く): 19209508

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 172, 299, 367, 559, 598, 734, 989, 1118, 1196, 1468, 1978, 2236, 3956, 4771, 8441, 9542, 12857, 15781, 16882, 19084, 25714, 31562, 33764, 51428, 63124, 109733, 205153, 219466, 362963, 410306, 438932, 725926, 820612, 1451852, 4718519, 9437038, 18874076]

約数ペア:

[(1, 18874076), (2, 9437038), (4, 4718519), (13, 1451852), (23, 820612), (26, 725926), (43, 438932), (46, 410306), (52, 362963), (86, 219466), (92, 205153), (172, 109733), (299, 63124), (367, 51428), (559, 33764), (598, 31562), (734, 25714), (989, 19084), (1118, 16882), (1196, 15781), (1468, 12857), (1978, 9542), (2236, 8441), (3956, 4771)]