17961984680

素因数分解:

$2^3\times 5^1\times {\mathrm{10337}}^1\times {\mathrm{43441}}^1$

素因数の和:53789

約数の個数: 32

約数和(自身を含む): 40419305640

約数和(自身を除く): 22457320960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10337, 20674, 41348, 43441, 51685, 82696, 86882, 103370, 173764, 206740, 217205, 347528, 413480, 434410, 868820, 1737640, 449049617, 898099234, 1796198468, 2245248085, 3592396936, 4490496170, 8980992340, 17961984680]

約数ペア:

[(1, 17961984680), (2, 8980992340), (4, 4490496170), (5, 3592396936), (8, 2245248085), (10, 1796198468), (20, 898099234), (40, 449049617), (10337, 1737640), (20674, 868820), (41348, 434410), (43441, 413480), (51685, 347528), (82696, 217205), (86882, 206740), (103370, 173764)]