19521736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 39606840

約数和(自身を除く): 20085104

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 337, 557, 674, 1114, 1348, 2228, 2696, 4381, 4456, 7241, 8762, 14482, 17524, 28964, 35048, 57928, 187709, 375418, 750836, 1501672, 2440217, 4880434, 9760868, 19521736]

約数ペア:

[(1, 19521736), (2, 9760868), (4, 4880434), (8, 2440217), (13, 1501672), (26, 750836), (52, 375418), (104, 187709), (337, 57928), (557, 35048), (674, 28964), (1114, 17524), (1348, 14482), (2228, 8762), (2696, 7241), (4381, 4456)]