194655980

素因数分解:

$2^2\times 5^1\times {\mathrm{9732799}}^1$

素因数の和:9732808

約数の個数: 12

約数和(自身を含む): 408777600

約数和(自身を除く): 214121620

約数列:

[1, 2, 4, 5, 10, 20, 9732799, 19465598, 38931196, 48663995, 97327990, 194655980]

約数ペア:

[(1, 194655980), (2, 97327990), (4, 48663995), (5, 38931196), (10, 19465598), (20, 9732799)]