17974774

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4539

約数の個数: 16

約数和(自身を含む): 28182528

約数和(自身を除く): 10207754

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 4447, 8894, 191221, 209009, 382442, 418018, 8987387, 17974774]

約数ペア:

[(1, 17974774), (2, 8987387), (43, 418018), (47, 382442), (86, 209009), (94, 191221), (2021, 8894), (4042, 4447)]