19198690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39181}}^1$

素因数の和:39202

約数の個数: 24

約数和(自身を含む): 40200732

約数和(自身を除く): 21002042

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39181, 78362, 195905, 274267, 391810, 548534, 1371335, 1919869, 2742670, 3839738, 9599345, 19198690]

約数ペア:

[(1, 19198690), (2, 9599345), (5, 3839738), (7, 2742670), (10, 1919869), (14, 1371335), (35, 548534), (49, 391810), (70, 274267), (98, 195905), (245, 78362), (490, 39181)]