12427216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{40879}}^1$

素因数の和:40906

約数の個数: 20

約数和(自身を含む): 25345600

約数和(自身を除く): 12918384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 40879, 81758, 163516, 327032, 654064, 776701, 1553402, 3106804, 6213608, 12427216]

約数ペア:

[(1, 12427216), (2, 6213608), (4, 3106804), (8, 1553402), (16, 776701), (19, 654064), (38, 327032), (76, 163516), (152, 81758), (304, 40879)]