19913031

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{37501}}^1$

素因数の和:37566

約数の個数: 12

約数和(自身を含む): 29251560

約数和(自身を除く): 9338529

約数列:

[1, 3, 9, 59, 177, 531, 37501, 112503, 337509, 2212559, 6637677, 19913031]

約数ペア:

[(1, 19913031), (3, 6637677), (9, 2212559), (59, 337509), (177, 112503), (531, 37501)]