19496780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26347}}^1$

素因数の和:26393

約数の個数: 24

約数和(自身を含む): 42051408

約数和(自身を除く): 22554628

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26347, 52694, 105388, 131735, 263470, 526940, 974839, 1949678, 3899356, 4874195, 9748390, 19496780]

約数ペア:

[(1, 19496780), (2, 9748390), (4, 4874195), (5, 3899356), (10, 1949678), (20, 974839), (37, 526940), (74, 263470), (148, 131735), (185, 105388), (370, 52694), (740, 26347)]