19113020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20333}}^1$

素因数の和:20389

約数の個数: 24

約数和(自身を含む): 40993344

約数和(自身を除く): 21880324

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20333, 40666, 81332, 101665, 203330, 406660, 955651, 1911302, 3822604, 4778255, 9556510, 19113020]

約数ペア:

[(1, 19113020), (2, 9556510), (4, 4778255), (5, 3822604), (10, 1911302), (20, 955651), (47, 406660), (94, 203330), (188, 101665), (235, 81332), (470, 40666), (940, 20333)]