18400255

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 22529664

約数和(自身を除く): 4129409

約数列:

[1, 5, 107, 163, 211, 535, 815, 1055, 17441, 22577, 34393, 87205, 112885, 171965, 3680051, 18400255]

約数ペア:

[(1, 18400255), (5, 3680051), (107, 171965), (163, 112885), (211, 87205), (535, 34393), (815, 22577), (1055, 17441)]