19744580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42923}}^1$

素因数の和:42955

約数の個数: 24

約数和(自身を含む): 43267392

約数和(自身を除く): 23522812

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42923, 85846, 171692, 214615, 429230, 858460, 987229, 1974458, 3948916, 4936145, 9872290, 19744580]

約数ペア:

[(1, 19744580), (2, 9872290), (4, 4936145), (5, 3948916), (10, 1974458), (20, 987229), (23, 858460), (46, 429230), (92, 214615), (115, 171692), (230, 85846), (460, 42923)]