19900490

素因数分解:

$2^1\times 5^1\times {\mathrm{853}}^1\times {\mathrm{2333}}^1$

素因数の和:3193

約数の個数: 16

約数和(自身を含む): 35878248

約数和(自身を除く): 15977758

約数列:

[1, 2, 5, 10, 853, 1706, 2333, 4265, 4666, 8530, 11665, 23330, 1990049, 3980098, 9950245, 19900490]

約数ペア:

[(1, 19900490), (2, 9950245), (5, 3980098), (10, 1990049), (853, 23330), (1706, 11665), (2333, 8530), (4265, 4666)]