18196048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87481}}^1$

素因数の和:87502

約数の個数: 20

約数和(自身を含む): 37967188

約数和(自身を除く): 19771140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87481, 174962, 349924, 699848, 1137253, 1399696, 2274506, 4549012, 9098024, 18196048]

約数ペア:

[(1, 18196048), (2, 9098024), (4, 4549012), (8, 2274506), (13, 1399696), (16, 1137253), (26, 699848), (52, 349924), (104, 174962), (208, 87481)]