18636947

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 22694400

約数和(自身を除く): 4057453

約数列:

[1, 7, 17, 119, 199, 787, 1393, 3383, 5509, 13379, 23681, 93653, 156613, 1096291, 2662421, 18636947]

約数ペア:

[(1, 18636947), (7, 2662421), (17, 1096291), (119, 156613), (199, 93653), (787, 23681), (1393, 13379), (3383, 5509)]