18993884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52181}}^1$

素因数の和:52205

約数の個数: 24

約数和(自身を含む): 40910688

約数和(自身を除く): 21916804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 52181, 104362, 208724, 365267, 678353, 730534, 1356706, 1461068, 2713412, 4748471, 9496942, 18993884]

約数ペア:

[(1, 18993884), (2, 9496942), (4, 4748471), (7, 2713412), (13, 1461068), (14, 1356706), (26, 730534), (28, 678353), (52, 365267), (91, 208724), (182, 104362), (364, 52181)]