18898984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181721}}^1$

素因数の和:181740

約数の個数: 16

約数和(自身を含む): 38161620

約数和(自身を除く): 19262636

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181721, 363442, 726884, 1453768, 2362373, 4724746, 9449492, 18898984]

約数ペア:

[(1, 18898984), (2, 9449492), (4, 4724746), (8, 2362373), (13, 1453768), (26, 726884), (52, 363442), (104, 181721)]