19299981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1697}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 27385344

約数和(自身を除く): 8085363

約数列:

[1, 3, 17, 51, 223, 669, 1697, 3791, 5091, 11373, 28849, 86547, 378431, 1135293, 6433327, 19299981]

約数ペア:

[(1, 19299981), (3, 6433327), (17, 1135293), (51, 378431), (223, 86547), (669, 28849), (1697, 11373), (3791, 5091)]