19626740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140191}}^1$

素因数の和:140207

約数の個数: 24

約数和(自身を含む): 47104512

約数和(自身を除く): 27477772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140191, 280382, 560764, 700955, 981337, 1401910, 1962674, 2803820, 3925348, 4906685, 9813370, 19626740]

約数ペア:

[(1, 19626740), (2, 9813370), (4, 4906685), (5, 3925348), (7, 2803820), (10, 1962674), (14, 1401910), (20, 981337), (28, 700955), (35, 560764), (70, 280382), (140, 140191)]