18922819

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 20956320

約数和(自身を除く): 2033501

約数列:

[1, 17, 29, 131, 293, 493, 2227, 3799, 4981, 8497, 38383, 64583, 144449, 652511, 1113107, 18922819]

約数ペア:

[(1, 18922819), (17, 1113107), (29, 652511), (131, 144449), (293, 64583), (493, 38383), (2227, 8497), (3799, 4981)]