19995657

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31891}}^1$

素因数の和:31924

約数の個数: 16

約数和(自身を含む): 30616320

約数和(自身を除く): 10620663

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 31891, 95673, 350801, 605929, 1052403, 1817787, 6665219, 19995657]

約数ペア:

[(1, 19995657), (3, 6665219), (11, 1817787), (19, 1052403), (33, 605929), (57, 350801), (209, 95673), (627, 31891)]