19530886947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{87383}}^1$

素因数の和:87931

約数の個数: 32

約数和(自身を含む): 30652909056

約数和(自身を除く): 11122022109

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 521, 1563, 5731, 6773, 17193, 20319, 74503, 87383, 223509, 262149, 961213, 1135979, 2883639, 3407937, 12495769, 37487307, 45526543, 136579629, 500791973, 591845059, 1502375919, 1775535177, 6510295649, 19530886947]

約数ペア:

[(1, 19530886947), (3, 6510295649), (11, 1775535177), (13, 1502375919), (33, 591845059), (39, 500791973), (143, 136579629), (429, 45526543), (521, 37487307), (1563, 12495769), (5731, 3407937), (6773, 2883639), (17193, 1135979), (20319, 961213), (74503, 262149), (87383, 223509)]