18591248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89381}}^1$

素因数の和:89402

約数の個数: 20

約数和(自身を含む): 38791788

約数和(自身を除く): 20200540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89381, 178762, 357524, 715048, 1161953, 1430096, 2323906, 4647812, 9295624, 18591248]

約数ペア:

[(1, 18591248), (2, 9295624), (4, 4647812), (8, 2323906), (13, 1430096), (16, 1161953), (26, 715048), (52, 357524), (104, 178762), (208, 89381)]