19837983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10851297

約数列:

[1, 3, 11, 23, 33, 59, 69, 177, 253, 443, 649, 759, 1329, 1357, 1947, 4071, 4873, 10189, 14619, 14927, 26137, 30567, 44781, 78411, 112079, 287507, 336237, 601151, 862521, 1803453, 6612661, 19837983]

約数ペア:

[(1, 19837983), (3, 6612661), (11, 1803453), (23, 862521), (33, 601151), (59, 336237), (69, 287507), (177, 112079), (253, 78411), (443, 44781), (649, 30567), (759, 26137), (1329, 14927), (1357, 14619), (1947, 10189), (4071, 4873)]