18448664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3347}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 37966320

約数和(自身を除く): 19517656

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3347, 5512, 6694, 13388, 26776, 43511, 87022, 174044, 177391, 348088, 354782, 709564, 1419128, 2306083, 4612166, 9224332, 18448664]

約数ペア:

[(1, 18448664), (2, 9224332), (4, 4612166), (8, 2306083), (13, 1419128), (26, 709564), (52, 354782), (53, 348088), (104, 177391), (106, 174044), (212, 87022), (424, 43511), (689, 26776), (1378, 13388), (2756, 6694), (3347, 5512)]