19123519

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 20908800

約数和(自身を除く): 1785281

約数列:

[1, 19, 43, 89, 263, 817, 1691, 3827, 4997, 11309, 23407, 72713, 214871, 444733, 1006501, 19123519]

約数ペア:

[(1, 19123519), (19, 1006501), (43, 444733), (89, 214871), (263, 72713), (817, 23407), (1691, 11309), (3827, 4997)]