18279248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87881}}^1$

素因数の和:87902

約数の個数: 20

約数和(自身を含む): 38140788

約数和(自身を除く): 19861540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87881, 175762, 351524, 703048, 1142453, 1406096, 2284906, 4569812, 9139624, 18279248]

約数ペア:

[(1, 18279248), (2, 9139624), (4, 4569812), (8, 2284906), (13, 1406096), (16, 1142453), (26, 703048), (52, 351524), (104, 175762), (208, 87881)]