19535810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39869}}^1$

素因数の和:39890

約数の個数: 24

約数和(自身を含む): 40906620

約数和(自身を除く): 21370810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39869, 79738, 199345, 279083, 398690, 558166, 1395415, 1953581, 2790830, 3907162, 9767905, 19535810]

約数ペア:

[(1, 19535810), (2, 9767905), (5, 3907162), (7, 2790830), (10, 1953581), (14, 1395415), (35, 558166), (49, 398690), (70, 279083), (98, 199345), (245, 79738), (490, 39869)]