18681918

素因数分解:

$2^1\times 3^1\times {\mathrm{149}}^1\times {\mathrm{20897}}^1$

素因数の和:21051

約数の個数: 16

約数和(自身を含む): 37616400

約数和(自身を除く): 18934482

約数列:

[1, 2, 3, 6, 149, 298, 447, 894, 20897, 41794, 62691, 125382, 3113653, 6227306, 9340959, 18681918]

約数ペア:

[(1, 18681918), (2, 9340959), (3, 6227306), (6, 3113653), (149, 125382), (298, 62691), (447, 41794), (894, 20897)]