18090310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{36919}}^1$

素因数の和:36940

約数の個数: 24

約数和(自身を含む): 37879920

約数和(自身を除く): 19789610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 36919, 73838, 184595, 258433, 369190, 516866, 1292165, 1809031, 2584330, 3618062, 9045155, 18090310]

約数ペア:

[(1, 18090310), (2, 9045155), (5, 3618062), (7, 2584330), (10, 1809031), (14, 1292165), (35, 516866), (49, 369190), (70, 258433), (98, 184595), (245, 73838), (490, 36919)]