19679695

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^2$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 27768096

約数和(自身を除く): 8088401

約数列:

[1, 5, 7, 35, 53, 103, 265, 371, 515, 721, 1855, 3605, 5459, 10609, 27295, 38213, 53045, 74263, 191065, 371315, 562277, 2811385, 3935939, 19679695]

約数ペア:

[(1, 19679695), (5, 3935939), (7, 2811385), (35, 562277), (53, 371315), (103, 191065), (265, 74263), (371, 53045), (515, 38213), (721, 27295), (1855, 10609), (3605, 5459)]