17830220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8179}}^1$

素因数の和:8297

約数の個数: 24

約数和(自身を含む): 37791600

約数和(自身を除く): 19961380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8179, 16358, 32716, 40895, 81790, 163580, 891511, 1783022, 3566044, 4457555, 8915110, 17830220]

約数ペア:

[(1, 17830220), (2, 8915110), (4, 4457555), (5, 3566044), (10, 1783022), (20, 891511), (109, 163580), (218, 81790), (436, 40895), (545, 32716), (1090, 16358), (2180, 8179)]