19483891

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 3325709

約数列:

[1, 7, 71, 197, 199, 497, 1379, 1393, 13987, 14129, 39203, 97909, 98903, 274421, 2783413, 19483891]

約数ペア:

[(1, 19483891), (7, 2783413), (71, 274421), (197, 98903), (199, 97909), (497, 39203), (1379, 14129), (1393, 13987)]