20181378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{480509}}^1$

素因数の和:480521

約数の個数: 16

約数和(自身を含む): 46128960

約数和(自身を除く): 25947582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 480509, 961018, 1441527, 2883054, 3363563, 6727126, 10090689, 20181378]

約数ペア:

[(1, 20181378), (2, 10090689), (3, 6727126), (6, 3363563), (7, 2883054), (14, 1441527), (21, 961018), (42, 480509)]