19427155

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 25912656

約数和(自身を除く): 6485501

約数列:

[1, 5, 11, 55, 121, 163, 197, 605, 815, 985, 1793, 2167, 8965, 10835, 19723, 23837, 32111, 98615, 119185, 160555, 353221, 1766105, 3885431, 19427155]

約数ペア:

[(1, 19427155), (5, 3885431), (11, 1766105), (55, 353221), (121, 160555), (163, 119185), (197, 98615), (605, 32111), (815, 23837), (985, 19723), (1793, 10835), (2167, 8965)]