189908084

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{435569}}^1$

素因数の和:435682

約数の個数: 12

約数和(自身を含む): 335388900

約数和(自身を除く): 145480816

約数列:

[1, 2, 4, 109, 218, 436, 435569, 871138, 1742276, 47477021, 94954042, 189908084]

約数ペア:

[(1, 189908084), (2, 94954042), (4, 47477021), (109, 1742276), (218, 871138), (436, 435569)]