19877255

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 24361344

約数和(自身を除く): 4484089

約数列:

[1, 5, 83, 211, 227, 415, 1055, 1135, 17513, 18841, 47897, 87565, 94205, 239485, 3975451, 19877255]

約数ペア:

[(1, 19877255), (5, 3975451), (83, 239485), (211, 94205), (227, 87565), (415, 47897), (1055, 18841), (1135, 17513)]