19527160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11353}}^1$

素因数の和:11407

約数の個数: 32

約数和(自身を含む): 44961840

約数和(自身を除く): 25434680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11353, 22706, 45412, 56765, 90824, 113530, 227060, 454120, 488179, 976358, 1952716, 2440895, 3905432, 4881790, 9763580, 19527160]

約数ペア:

[(1, 19527160), (2, 9763580), (4, 4881790), (5, 3905432), (8, 2440895), (10, 1952716), (20, 976358), (40, 488179), (43, 454120), (86, 227060), (172, 113530), (215, 90824), (344, 56765), (430, 45412), (860, 22706), (1720, 11353)]