18868269

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1949}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 9960531

約数列:

[1, 3, 7, 21, 461, 1383, 1949, 3227, 5847, 9681, 13643, 40929, 898489, 2695467, 6289423, 18868269]

約数ペア:

[(1, 18868269), (3, 6289423), (7, 2695467), (21, 898489), (461, 40929), (1383, 13643), (1949, 9681), (3227, 5847)]