19189870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39163}}^1$

素因数の和:39184

約数の個数: 24

約数和(自身を含む): 40182264

約数和(自身を除く): 20992394

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39163, 78326, 195815, 274141, 391630, 548282, 1370705, 1918987, 2741410, 3837974, 9594935, 19189870]

約数ペア:

[(1, 19189870), (2, 9594935), (5, 3837974), (7, 2741410), (10, 1918987), (14, 1370705), (35, 548282), (49, 391630), (70, 274141), (98, 195815), (245, 78326), (490, 39163)]